frontotemporal dementia

description: Frontotemporal dementia (FTD) comprises a group of neurodegenerative disorders, characterized by progressive changes in behavior, executive dysfunction and language impairment, as a result of degeneration of the medial prefrontal and frontoinsular cortices. Four clinical subtypes have been identified: semantic dementia, progressive non-fluent aphasia, behavioral variant FTD and right temporal lobar atrophy.


progressive non-fluent aphasia

category: biolink:Disease biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing

description: Progressive non-fluent aphasia (PNFA) is a form of frontotemporal dementia (FTD), characterized by agrammatism, laborious speech, alexia, and agraphia, frequently accompanied by apraxia of speech (AOS). Language comprehension is relatively preserved.


hereditary hemochromatosis

description: An inherited metabolic disorder characterized by iron accumulation in the tissues.


male breast carcinoma

description: A malignant neoplasm involving the male breast.


squamous cell neoplasm

description: A neoplasm that is composed of squamous epithelial cells. Squamous cell carcinoma is a representative example.


Bartter syndrome

description: Bartter syndrome is a group of rare renal tubular disease characterized by impaired salt reabsorption in the thick ascending limb of Henle's loop and clinically by the association of hypokalemic alkalosis, hypercalciuria/nephrocalcinosis, increased levels of plasma renin and aldosterone, low blood pressure and vascular resistance to angiotensin II.


Thomsen and Becker disease

description: A rare, genetic, skeletal muscle channelopathy characterized by slow muscle relaxation after contraction (myotonia).


Dent disease

description: Dent disease is a rare genetic renal tubular disease characterized by manifestations of proximal tubule dysfunction.


periodontal disorder

description: An inflammatory process of the gingival tissues and/or periodontal membrane of the teeth, resulting in an abnormally deep gingival sulcus, possibly producing periodontal pockets and loss of alveolar bone support.


name: immunodeficiency-centromeric instability-facial anomalies syndrome

description: The Immunodeficiency, Centromeric region instability, Facial anomalies syndrome (ICF) is a rare autosomal recessive disease characterized by immunodeficiency, although B cells are present, and by characteristic rearrangements in the vicinity of the centromeres (the juxtacentromeric heterochromatin) of chromosomes 1 and 16 and sometimes 9.


Jeune syndrome

description: Jeune syndrome, also called asphyxiating thoracic dystrophy, is a short-rib dysplasia characterized by a narrow thorax, short limbs and radiological skeletal abnormalities including "trident" aspect of the acetabula and metaphyseal changes.


monomelic amyotrophy

description: Monomelic amyotrophy (MA) is a rare benign lower motor neuron disorder characterized by muscular weakness and wasting in the distal upper extremities during adolescence followed by a spontaneous halt in progression and a stabilization of symptoms.


Senior-Loken syndrome

description: Senior-Loken syndrome (SLSN) is a very rare autosomal recessive oculo-renal disease characterized by the association of nephronophthisis (NPHP), a chronic kidney disease, with retinal dystrophy.


3-M syndrome

description: 3M syndrome is a primordial growth disorder characterized by low birth weight, reduced birth length, severe postnatal growth restriction, a spectrum of minor anomalies (including facial dysmorphism) and normal intelligence.


microcephaly

description: A congenital or acquired developmental disorder in which the circumference of the head is smaller than normal for the person's age and sex.


chromosome 17q12 deletion syndrome

description: 17q12 microdeletion syndrome is a rare chromosomal anomaly syndrome resulting from the partial deletion of the long arm of chromosome 17 characterized by renal cystic disease, maturity onset diabetes of the young type 5, and neurodevelopmental disorders, such as cognitive impairment, developmental delay (particularly of speech), autistic traits and autism spectrum disorder. Mullerian aplasia in females, macrocephaly, mild facial dysmorphism (high forehead, deep set eyes and chubby cheeks) and transcient hypercalcaemia have also been reported.


dengue disease

description: Dengue fever (DF), caused by dengue virus, is an arboviral disease characterized by an initial non-specific febrile illness that can sometimes progress to more severe forms manifesting capillary leakage and hemorrhage (dengue hemorrhagic fever, or DHF) and shock (dengue shock syndrome, or DSS).


systemic sclerosis

description: A chronic disorder, possibly autoimmune, marked by excessive production of collagen which results in hardening and thickening of body tissues. The two types of systemic scleroderma, limited cutaneous and diffuse cutaneous are classified with focus on the extent of affected skin. A relationship exists between the extent of skin area affected and degree of internal organ/system involvement. Systemic scleroderma can manifest itself in pulmonary fibrosis, Raynaud's syndrome, digestive system telangiectasias, renal hypertension and/or pulmonary hypertension.


glomerulonephritis

description: A renal disorder characterized by damage in the glomeruli. It may be acute or chronic, focal or diffuse, and it may lead to renal failure. Causes include autoimmune disorders, infections, diabetes, and malignancies.


name: X-linked acrogigantism due to Xq26 microduplication


pituitary stalk interruption syndrome

description: Pituitary stalk interruption syndrome (PSIS) is a congenital abnormality of the pituitary that is responsible for pituitary deficiency and is usually characterized by the triad of a very thin or interrupted pituitary stalk, an ectopic (or absent) posterior pituitary (EPP) and hypoplasia or aplasia of the anterior pituitary visible on MRI. In some patients the abnormality may be limited to EPP (also called ectopic neurohypophysis) or to an interrupted pituitary stalk.


hypogonadotropic hypogonadism

description: Abnormal ovarian or testicular function due to insufficient hormonal stimulation from the hypothalamic-pituitary axis.


Kallmann syndrome

description: Kallmann syndrome (KS) is a developmental genetic disorder characterized by the association of congenital hypogonadotropic hypogonadism (CHH) due to gonadotropin-releasing hormone (GnRH) deficiency, and anosmia or hyposmia (with hypoplasia or aplasia of the olfactory bulbs).


agammaglobulinemia

description: A decreased level of serum immunoglobulins. It may be inherited or acquired. It is caused by decreased or inefficient production of immunoglobulins from B cells or by a decrease in the numbers of B cells themselves. Low levels of immunoglobulins will affect the immune system's ability to combat bacterial infection. Supplementation of immunoglobulins is needed to prevent worsening outcomes.


mycosis fungoides

description: Classical mycosis fungoides is the most common type of mycosis fungoides (MF), a form of cutaneous T-cell lymphoma, and is characterized by slow progression from patches to more infiltrated plaques and eventually to tumors.


well-differentiated liposarcoma

description: A locally aggressive malignant neoplasm composed of mature adipocytes showing cell size variation and nuclear atypia. It is often associated with the presence of hyperchromatic multinucleated stromal cells, and varying numbers of lipoblasts. There are three histologic subtypes, sclerosing, inflammatory, and spindle cell liposarcoma. These tumors do not usually metastasize unless they undergo dedifferentiation.


atypical Rett syndrome

description: A neurodevelopmental disorder that is diagnosed when a child presents with a Rett-like syndrome but does not fulfill all the diagnostic criteria for typical Rett syndrome (classic/typical RTT).


chronic mucocutaneous candidiasis

description: Mucocutaneous candidiasis that is persistent or long-standing in nature.


fibrochondrogenesis

description: Fibrochondrogenesis is a rare, neonatally lethal, rhizomelic chondrodysplasia. Eleven cases have been reported. The face is distinctive and characterized by protuberant eyes, flat midface, flat small nose with anteverted nares and a small mouth with long upper lip. Cleft palate, micrognathia and bifid tongue can occur. The limbs show marked shortness of all segments with relatively normal hands and feet. No internal anomalies other than omphalocele have been reported. Transmission is probably autosomal recessive. Recurrence in a consanguineous family (affecting both sexes) and concordance of affected male twins have been reported.


name: autosomal dominant myopia-midfacial retrusion-sensorineural hearing loss-rhizomelic dysplasia syndrome


Mobius syndrome

description: Moebius syndrome is a very rare congenital cranial dysinnervation disorder characterized by complete or incomplete facial paralysis in association with bilateral palsy of the abducens nerve causing impairment of ocular abduction. The syndrome also includes various other congenital anomalies.


interstitial lung disease

description: A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of pulmonary alveoli that extends to the interstitium and beyond leading to diffuse pulmonary fibrosis. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features.


preeclampsia

description: Preeclampsia is a hypertensive disorder of pregnancy that is characterized by new-onset hypertension with proteinuria presenting after 20 weeks of gestation, and depending on mild or severe forms may initially present with severe headache, visual disturbances, and hyperreflexia.


nephrolithiasis

description: The presence of a calculus in the pelvis of the kidney; this is most often composed of mineral salts and proteins.


pituitary apoplexy

description: A rare, potentially life-threatening disorder caused by acute ischemic infarction or hemorrhage in the pituitary gland. It is most often associated with the presence of a pituitary gland adenoma. Signs and symptoms include headache, vomiting, visual disturbances, and endocrine dysfunction.


cataract - microcornea syndrome

description: Cataract-microcornea syndrome is characterized by the association of congenital cataract and microcornea without any other systemic anomaly or dysmorphism.


cataract

description: Partial or complete opacity of the crystalline lens of one or both eyes that decreases visual acuity and eventually results in blindness. Some cataracts appear in infancy or in childhood, but most develop in older individuals. (Sternberg Diagnostic Surgical Pathology, 3rd ed.)


pancreatitis

description: Inflammation of the pancreas.


rhinitis

description: An inflammation of the mucous membrane lining the nose, usually associated with nasal discharge.


name: Male infertility with azoospermia or oligozoospermia due to single gene mutation


Duane retraction syndrome

description: Duane retraction syndrome (DRS) is a congenital form of strabismus characterized by horizontal eye movement limitation, globe retraction and palpebral fissure narrowing in attempted adduction. It is caused by a failure of development of the abducens nerve and can lead to amblyopia.


name: epilepsy with generalized tonic-clonic seizures

description: A generalized tonic-clonic seizure.


sleep apnea syndrome

description: A disorder characterized by multiple cessations of respirations during sleep that induce partial arousals and interfere with the maintenance of sleep.


Wolfram syndrome

description: Wolfram syndrome (WS) also known as DIDMOAD, is a neurodegenerative disorder characterized by type I diabetes mellitus (DM), diabetes insipidus (DI), sensorineural deafness (D), bilateral optical atrophy (OA) and neurological signs. Other related problems are urinary tract atony, ataxia, peripheral neuropathy, psychiatric disorders and/or seizures. 2 types of WS may be distinguished: type 1 and type 2 (WS1 and WS2).


ventricular septal defect

description: The presence of a defect (opening) in the septum that separates the two ventricles of the heart. It can be congenital or acquired.


heart septal defect

description: A congenital disorder characterized by the presence of an abnormal communication between the atria or the ventricles of the heart due to defects in the cardiac septum.


dysspondyloenchondromatosis

description: Dysspondyloenchondromatosis is a rare skeletal dysplasia characterized by anisospondyly and multiple enchondromas in vertebrae and the metaphyseal and diaphyseal parts of long tubular bones, leading to kyphoscoliosis and lower limb asymmetry.


osteoarthritis

description: A noninflammatory degenerative joint disease occurring chiefly in older persons, characterized by degeneration of the articular cartilage, hypertrophy of bone at the margins and changes in the synovial membrane. It is accompanied by pain and stiffness, particularly after prolonged activity.


name: spondylometaphyseal dysplasia, Schmidt type

description: Spondylometaphyseal dysplasia, Schmidt type is characterized by short stature, myopia, small pelvis, progressive kypho-scoliosis, wrist deformity, severe genu valgum, short long bones, and severe metaphyseal dysplasia with moderate spinal changes and minimal changes in the hands and feet.


2p21 microdeletion syndrome

description: The 2p21 microdeletion syndrome consists of cystinuria, neonatal seizures, hypotonia, severe growth and developmental delay, facial dysmorphism, and lactic acidemia.


epithelioid hemangioendothelioma

description: A low-grade malignant blood vessel neoplasm. It is characterized by the presence of epithelioid endothelial cells. The neoplastic cells are arranged in cords and nests, which are embedded in a myxoid to hyalinized stroma.


cone dystrophy

description: An inherited ocular disorder characterized by the loss of cone cells, the photoreceptors responsible for both central and color vision.


Tetany

category: biolink:PhenotypicFeature biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing

description: A condition characterized by intermittent involuntary contraction of muscles (spasms) related to hypocalcemia or occasionally magnesium deficiency.


name: X-linked diffuse leiomyomatosis-Alport syndrome

description: A rare renal disease characterized by the association of X-linked Alport syndrome (glomerular nephropathy, sensorineural deafness and ocular anomalies) and benign proliferation of visceral smooth muscle cells along the gastrointestinal, respiratory, and female genital tracts and clinically manifests with dysphagia, dyspnea, cough, stridor, postprandial vomiting, retrosternal or epigastric pain, recurrent pneumonia, and clitoral hypertrophy in females.


ptosis, hereditary congenital, 1

description: Congenital ptosis is characterized by superior eyelid drop present at birth.


name: multiple epiphyseal dysplasia due to collagen 9 anomaly

description: Multiple epiphyseal dysplasia due to collagen 9 anomaly is a rare primary bone dysplasia disorder characterized by normal or mild short stature, early-onset pain and/or stiffness of the joints (mainly affecting knees but also elbows, wrists, ankles and fingers, with relative sparing of the hips) and early degenerative joint disease. Other skeletal anomalies (incl. varus or valgus deformities, osteochondritis dissecans, abnormal carpal shape, free articular bodies) and mild myopathy have also been reported.


Bethlem myopathy

description: A usually autosomal dominant inherited movement disorder caused by mutations in the COL6A1, COL6A2, and COL6A3 genes. It is characterized by progressive muscle weakness and joint stiffness in the fingers, wrists, elbows, and ankles.


name: inherited isolated adrenal insufficiency due to partial CYP11A1 deficiency

description: Inherited isolated adrenal insufficiency due to partial CYP11A1 deficiency is a rare, genetic, chronic, primary adrenal insufficiency disorder, due to partial loss-of-function CYP11A1 mutations, characterized by early-onset adrenal insufficiency without associated abnormal external male genitalia. Patients present with signs of adrenal crisis, including electrolite abnormalities, severe weakness, recurrent vomiting and seizures. Ultrasound reveals absent (or very small) adrenal glands.


dermatofibrosarcoma protuberans

description: Dermatofibrosarcoma protuberans (DFSP) is a rare infiltrating soft tissue sarcoma, generally of low grade malignancy, arising from the dermis of the skin and characteristically associated with a specific chromosomal translocation t(17;22).


oral submucous fibrosis

description: Oral submucous fibrosis (OSMF) is a chronic, progressive disease that alters the fibroelasticity of the oral submucosa, prevalent in India and Southeast Asia but rare elsewhere, and characterized by burning and pain in the oral cavity, loss of gustatory sensation, the presence of blanched fibrous bands and stiffening of the oral mucosa and oro-pharynx (leading to trismus and a progressive reduction in mouth opening) and an increased risk of developing oral squamous cell cancer (3-19%). It is usually associated with the chewing of the areca nut (an ingredient in betel quid) but the exact etiology is unknown and there is currently no effective treatment.


keloid

description: An irregularly shaped, elevated mark on the skin caused by deposits of excessive amounts of collagen during wound healing. It extends beyond the original boundaries of the wound and may enlarge progressively.


nephrogenic systemic fibrosis

description: Nephrogenic systemic fibrosis (NSF) is a rare systemic fibrosing condition observed in renally impaired patients and characterized by a hardening and thickening of the skin with fibrotic plaques or papules, pruritus, joint pain and stiffness, muscle weakness, limitation of range of motion, and yellowed eyes. It is generally associated with administration of gadolinium-based magnetic resonance imaging contrast agents (GBCA) in patients with kidney disease.


Ehlers-Danlos syndrome, vascular type

description: Ehlers-Danlos syndrome type IV, also known as the vascular type of Ehlers-Danlos syndrome (EDS), is an inherited connective tissue disorder defined by characteristic facial features (acrogeria) in most patients, translucent skin with highly visible subcutaneous vessels on the trunk and lower back, easy bruising, and severe arterial, digestive and uterine complications, which are rarely, if at all, observed in the other forms of EDS.


name: hypercholesterolemia due to cholesterol 7alpha-hydroxylase deficiency


hereditary spastic paraplegia

description: Hereditary spastic paraplegias (HSP) comprise a genetically and clinically heterogeneous group of neurodegenerative disorders characterized by progressive spasticity and hyperreflexia of the lower limbs.


3p- syndrome

description: Distal monosomy 3p is a rare chromosomal anomaly syndrome, resulting from a partial deletion of the short arm of chromosome 3, with a highly variable phenotype typically characterized by pre- and post-natal growth retardation, intellectual disability, developmental delay and craniofacial dysmorphism (microcephaly, trigonocephaly, downslanting palpebral fissures, telecanthus, ptosis, micrognathia). Postaxial polydactyly, hypotonia, renal anomalies and congenital heart defects (e.g. atrioventricular septal defect) may be associated.


osteogenesis imperfecta

description: Osteogenesis imperfecta (OI) comprises a heterogeneous group of genetic disorders characterized by increased bone fragility, low bone mass, and susceptibility to bone fractures with variable severity.


name: atypical chronic myeloid leukemia, BCR-ABL1 negative

description: A myelodysplastic/myeloproliferative neoplasm characterized by the principal involvement of the neutrophil series with leukocytosis and multilineage dysplasia. The neoplastic cells do not have a Philadelphia chromosome or the BCR/ABL fusion gene. (WHO, 2001)


chronic neutrophilic leukemia

description: A rare chronic myeloproliferative neoplasm characterized by neutrophilic leukocytosis. There is no detectable Philadelphia chromosome or BCR/ABL fusion gene.


corpus callosum, agenesis of

description: A congenital abnormality characterized by the complete absence of the corpus callosum. It may be an isolated abnormality or associated with other central nervous system abnormalities or syndromes. Clinical manifestations vary. In cases of isolated corpus callosum agenesis, symptoms may be absent or minimal. In cases that are associated with other central nervous system abnormalities or syndromes, symptoms include developmental delays, motor coordination difficulties, and vision impairment.


autosomal recessive osteopetrosis

description: An autosomal recessive form of osteopetrosis caused by mutation(s) in at least 8 genes related to osteoclast function. This condition is characterized by the failure of osteoclasts to resorb bone, resulting in impaired bone modeling/remodeling, and skeletal fragility despite increased bone mass; it is also associated with hematopoietic insufficiency, hypocalcemia, disturbed tooth eruption, nerve entrapment syndromes, and growth impairment. Some cases are also associated with progressive neurological deterioration.


neuronal ceroid lipofuscinosis

description: A group of inherited progressive degenerative brain diseases characterized clinically by a decline of mental and other capacities, epilepsy, and vision loss through retinal degeneration, and histopathologically by intracellular accumulation of an autofluorescent material, ceroid lipofuscin, in the neuronal cells in the brain and in the retina.


isolated congenital anosmia

description: This syndrome is characterized by total or partial anosmia at birth. So far, 15 patients have been described. The anosmia is caused by a defect in the development of the olfactory bulbs or by replacement of the olfactory epithelium by respiratory epithelium. The mode of transmission appears to be autosomal dominant with incomplete penetrance. Isolated congenital anosmia is found in some parents of individuals with Kallman syndrome.


immunoglobulin A vasculitis

description: A systemic IgA vasculitis that affects small vessels. It is characterized by skin purpura, arthritis, and abdominal and/or renal involvement.


Alport syndrome

description: A rare renal disease characterized by glomerular nephropathy with hematuria progressing to end-stage renal disease (ESRD), frequently associated with sensorineural deafness, and occasionally with ocular anomalies.


Usher syndrome type 3

description: A syndrome characterized by postlingual progressive hearing loss, abnormalities in the vestibular system, and onset of retinitis pigmentosa symptoms usually by the second decade of life.


ACTH-dependent Cushing syndrome

description: Adrenocorticotropic hormone dependent Cushing syndrome (ACTH-dependent CS) is a form of endogenous CS caused by abnormal production of ACTH due, in 80% of cases, to ACTH oversecretion by a pituitary adenoma (Cushing disease, CD) and in 20% of cases to ectopic ACTH secretion (CS due to EAS) by an extrapituitary tumor (in 50% of cases originating in the lungs or less commonly in the thymus, pancreas, adrenal gland or thyroid) or very rarely due to a tumor secreting both ACTH and corticotrophin-releasing hormone (CRH).


cataract 7

description: A cataract that has material basis in variation in the region 17q24.


retinal degeneration

description: Degeneration of the retina.


skin neoplasm

description: A benign or malignant tumor involving the skin. Representative examples of benign skin neoplasms include the benign melanocytic skin nevus, acanthoma, sebaceous adenoma, sweat gland adenoma, lipoma, hemangioma, fibroma, and benign fibrous histiocytoma. Representative examples of malignant skin neoplasms include basal cell carcinoma, squamous cell carcinoma, melanoma, and Kaposi sarcoma.


hypoplastic left heart syndrome

description: Hypoplastic left heart syndrome (HLHS) refers to the abnormal development of the left-sided cardiac structures, resulting in obstruction to blood flow from the left ventricular outflow tract. In addition, the syndrome includes underdevelopment of the left ventricle, aorta, and aortic arch, as well as mitral atresia or stenosis.


KID syndrome

description: Keratitis (and hystrix-like) ichthyosis deafness (KID/HID) syndrome is a rare congenital ectodermal disorder characterized by vascularizing keratitis, hyperkeratotic skin lesions and hearing loss.


Teebi hypertelorism syndrome 1

description: A rare genetic disease characterized by hypertelorism with facial features that can closely resemble craniofrontonasal dysplasia, such as prominent forehead, widow's peak, heavy and broad eyebrows, long palpebral fissures, ptosis, high and broad nasal bridge, short nose, low-set ears, natal teeth, thin upper lip and a grooved chin, as well as limb (i.e. fifth-finger clinodactyly, pes adductus, mild interdigital webbing), urogenital (i.e. bilateral cryptorchidism and shawl scrotum in males) and umbilical (i.e. hernia/small omphalocele) anomalies and cardiac (i.e. ventricular or atrial septal defect, patent ductus arteriosus) defects. Additional findings such as polycystic kidneys and iridochorioretinal colobomas have also been reported and psychomotor development is normal. The facial features can also resemble Aarskog and Opitz G/BBB syndromes.


Coats disease

description: Coats disease (CD) is an idiopathic disorder characterized by retinal telangiectasia with deposition of intraretinal or subretinal exudates, potentially leading to retinal detachment and unilateral blindness. CD is classically an isolated and unilateral condition affecting otherwise healthy young children.


granulomatosis with polyangiitis

description: A small-vessel necrotizing vasculitis characterized by the association of inflammation of the vessel wall and peri- and extravascular granulomatosis.


Hashimoto thyroiditis

description: An autoimmune disorder caused by the production of autoantibodies against thyroid tissue. There is progressive destruction of the thyroid follicles leading to hypothyroidism.


chronic granulomatous disease

description: Chronic granulomatous disease (CGD) is a rare primary immunodeficiency, mainly affecting phagocytes, which is characterized by an increased susceptibility to severe and recurrent bacterial and fungal infections, along with the development of granulomas.


thrombocytopenia

description: A laboratory test result indicating that there is an abnormally small number of platelets in the circulating blood.


Cri-du-chat syndrome

description: Monosomy 5p, also known as Cri du chat syndrome, is a rare autosomal deletion syndrome characterized by a mewing cry (cri du chat) in infancy, multiple congenital anomalies, intellectual disability, microcephaly, and facial dysmorphism.


hidradenitis suppurativa

description: A chronic suppurative and cicatricial disease of the apocrine glands occurring chiefly in the axillae in women and in the groin and anal regions in men. It is characterized by poral occlusion with secondary bacterial infection, evolving into abscesses which eventually rupture. As the disease becomes chronic, ulcers appear, sinus tracts enlarge, fistulas develop, and fibrosis and scarring become evident.


palmoplantar keratosis

description: A group of autosomal dominant, autosomal recessive, X-linked inherited or acquired disorders characterized by the thickening of the palms and soles due to hyperkeratosis.


keratitis

description: A corneal disease that is characterized by inflammation of the cornea.


ichthyosis

description: Disorders of cornification that are characterized by visible scaling and/or hyperkeratosis of most or all of the skin. Inherited ichthyoses, defined as the generalized form of Mendelian disorders of cornification, affect most or all of the skin. This etiologically and phenotypically heterogenous group of conditions is caused by mutations in various different genes important for keratinocyte differentiation and epidermal barrier function. Acquired forms of ichthyosis can be observed with certain autoimmune, inflammatory, metabolic, endocrine, or infectious diseases or with malignancies.


craniorachischisis

description: Craniorachischisis is the most severe form of neural tube defect in which both the brain and spinal cord remain open to varying degrees. It is a very rare congenital malformation of the central nervous system.


dyskeratosis congenita

description: A rare genetic disorder characterized by nail dystrophy, reticulated skin pigmentation especially on the neck and chest, and oral leukoplakia.  In about half the cases mutations in the TERT, TERC, DKC1, or TINF2 genes are identified.  Patients are at an increased risk of developing bone marrow failure, myelodysplastic syndrome, leukemia, or cancer, especially in the head and neck region.


hepatoblastoma

description: Hepatoblastoma (HB) is a malignant hepatic tumor and is the most common pediatric liver cancer. It is characterized by anorexia, weight loss and an enlarged abdomen. HB is more common in patients with familial adenomatous polyposis (FAP), and can occur in patients with other pre-existing liver conditions. About 5% of HB cases are associated with genetic factors, especially overgrowth syndromes, such as Beckwith-Wiedemann syndrome (BWS) or hemihypertrophy.


kidney Wilms tumor

description: An embryonal pediatric tumor of the kidney which may also be seen rarely in adults. The peak incidence of Wilms tumor is between the second and fifth year of life. Microscopically, it is composed of a mixture of cellular elements (blastemal, stromal, and epithelial). The most common sites of metastasis include the regional lymph nodes, lungs, and liver.


adrenal cortex carcinoma

description: A rare, usually large (greater than 5cm), malignant epithelial tumor arising from the adrenal cortical cells. Symptoms are usually related to the excessive production of hormones, and include Cushing's syndrome and virilism in women. Common sites of metastasis include liver, lung, bone, and retroperitoneal lymph nodes. Advanced radiologic procedures have enabled the detection of small tumors, resulting in the improvement of the 5-year survival.


Fanconi renotubular syndrome

description: A genetic or acquired disorder characterized by impairment of the function of the proximal tubules of the kidney. It results in decreased reabsorption of electrolytes, glucose, amino acids, and other nutrients.


name: 46,XY disorder of sex development due to isolated 17,20-lyase deficiency


D-2-hydroxyglutaric aciduria

description: D-2-hydroxyglutaric aciduria (D-2-HGA) is a rare clinically variable neurological form of 2-hydroxyglutaric aciduria characterized biochemically by elevated D-2-hydroxyglutaric acid (D-2-HG) in the urine, plasma and cerebrospinal fluid.


striate palmoplantar keratoderma

description: Striate palmoplantar keratoderma is an isolated, focal, hereditary palmoplantar keratoderma characterized by linear hyperkeratosis along the flexor aspect of the fingers and on palms, as well as focal hyperkeratosis of the plantar skin. Patients present with painful thickening of the skin on palms and soles, with occasional fissuring, blistering and hyperhidrosis. Rarely, hyperkeratosis on other areas may be seen (knees, dorsal aspects of the digits). Histopatologically, widened intercellular spaces between keratinocytes are observed.


hypogonadism

description: A disorder characterized by decreased function of the gonads. Clinical manifestations in both males and females include poor libido, infertility, and osteoporosis. Additional signs in males include erectile dysfunction, muscle atrophy, gynecomastia and increased abdominal fat. In females, additional signs include shrinking of the breasts and loss of, or failure to develop menstruation.


primary congenital glaucoma

description: Primary congenital glaucoma (PCG) is characterized by elevated intraocular pressure (IOP), enlargement of the globe (buphthalmos), edema, and opacification of the cornea with rupture of Descemet's membrane (Haab's striae), thinning of the anterior sclera and iris atrophy, anomalously deep anterior chamber, and structurally normal posterior segment except for progressive glaucomatous optic atrophy. Symptoms include photophobia, blepharospasm, and excessive tearing. Typically, the diagnosis is made in the first year of life. Depending on when treatment is instituted, visual acuity may be reduced and/or visual fields may be restricted. In untreated individuals, blindness invariably occurs.


rickets

description: Bone softening and weakening usually caused by deficiency or impaired metabolism of vitamin D. Deficiency of calcium, magnesium, or phosphorus may also cause rickets. It predominantly affects children who suffer from severe malnutrition. It manifests with bone pain, fractures, muscle weakness, and skeletal deformities.


megalocornea

description: An enlargement of the cornea with normal clarity and function. Megalocornea is diagnosed with a horizontal corneal diameter of 12 mm or more at birth or 13 mm or more after two years of age.


xeroderma pigmentosum

description: Xeroderma pigmentosum (XP) is a rare genodermatosis characterized by extreme sensitivity to ultraviolet (UV)-induced changes in the skin and eyes, and multiple skin cancers. It is subdivided into 8 complementation groups, according to the affected gene: classical XP (XPA to XPG) and XP variant (XPV).


hyperinsulinism

description: Abnormally high levels of insulin in the blood.


spondylocostal dysostosis

description: Spondylocostal dysplasia is a rare genetic disorder characterized by defects of the bones of the spine (vertebrae) and abnormalities of the ribs. Ribs can be fused or missing in chaotic patterns. These malformations are present at birth (congenital).


split hand-foot malformation 1

description: Split-hand/foot malformation mapped to chromosome 7q21.3


split hand-foot malformation

description: Split hand-split foot malformation (SHFM) refers to a spectrum of genetically and clinically heterogenous terminal limb defect characterized by hypoplasia/ absence of central rays of the hands and feet (that can occur in one to all four digits), median clefts of the hands and/ or feet, aplasia and syndactyly, with a wide range of severity ranging from malformed central finger/ toe to a lobster claw-like appearance of the hands and feet. SHFM can be an isolated malformation or can be a feature in various syndromes (ADULT syndrome, EEC syndrome). SHFM usually follows an autosomal dominant pattern of inheritance with incomplete penetrance, but autosomal recessive and rarely X-linked inheritance have also been reported.


Pseudomonas infection

description: Infections with bacteria of the genus pseudomonas.


hepatoerythropoietic porphyria

description: A very rare form of chronic hepatic porphyria characterized by bullous photodermatitis.


papilloma

description: A benign epithelial neoplasm that projects above the surrounding epithelial surface and consists of villous or arborescent outgrowths of fibrovascular stroma.


Hypoventilation

description: A reduction in the amount of air transported into the pulmonary alveoli by breathing, leading to hypercapnia (increase in the partial pressure of carbon dioxide).


obesity disorder

description: A disorder involving an excessive amount of body fat.


intestinal neuroendocrine tumor G1

description: A well differentiated, low grade neuroendocrine tumor (carcinoid tumor) that arises from the small or large intestine. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent.


endometriosis

description: The growth of functional endometrial tissue in anatomic sites outside the uterine body. It most often occurs in the pelvic organs.


granulosa cell tumor

description: A slow-growing, malignant tumor, characterize by the presence of granulosa-like cells and Call-Exner bodies, that is almost always found in the ovary. In rare cases, it has also been found in the testicle. There are two types of granulosa cell tumor that can be distinguished under the microscope: the adult and the juvenile. The testicular juvenile granulosa cell tumors are perhaps the most common congenital testicular neoplasms.


idiopathic juvenile osteoporosis

description: Idiopathic juvenile osteoporosis (IJO) is a primary condition of bone demineralization childhood or adolescence that presents with pain in the back and extremities, walking difficulties, multiple fractures, and radiological evidence of osteoporosis. Onset usually occurs in the prepubertal period, between 8 and 12 years of age.


name: paternal uniparental disomy of chromosome 14


description: Hypocomplementemic urticarial vasculitis (HUV) is an immune complex-mediated small vessel vasculitis characterized by urticaria and hypocomplementemia (low C1q with or without low C3 and C4), and usually associated with circulating anti-C1q autoantibodies. Arthritis, pulmonary disease, ocular inflammation, and glomerulonephritis are common systemic manifestations.


diffuse panbronchiolitis

description: Diffuse panbronchiolitis is a rare chronic inflammatory obstructive pulmonary disease primarily affecting the respiratory bronchioles throughout both lungs and inducing sinobronchial infection. Onset occurs in the second to fifth decade of life and manifests by chronic cough, exertional dyspnea, and sputum production. Most patients also have chronic paranasal sinusitis


acquired lactic acidosis

description: An instance of lactic acidosis that is acquired during the lifetime of the individual.


autosomal dominant primary microcephaly

description: Autosomal dominant form of microcephaly (disease).


achalasia, familial esophageal

description: An instance of achalsia that is caused by an inherited genomic modification in an individual.


bullous pemphigoid

description: Bullous pemphigoid (BP) is the most common form of autoimmune bullous dermatosis.


urticaria

description: A vascular reaction of the skin characterized by erythema and wheal formation due to localized increase of vascular permeability. The causative mechanism may be allergy, infection, or stress.


oropharynx cancer

description: A primary or metastatic malignant neoplasm that affects the oropharynx.


Parkinson disease 21

description: Any hereditary late onset Parkinson disease in which the cause of the disease is a mutation in the DNAJC13 gene.


progressive external ophthalmoplegia

description: A mitochondrial myopathy characterized by slowly progressive paralysis of the levator palpebrae, orbicularis oculi, and extraocular muscles. Ragged-red fibers and atrophy are found on muscle biopsy. Familial and sporadic forms may occur. Disease onset is usually in the first or second decade of life, and the illness slowly progresses until usually all ocular motility is lost. (From Adams et al., Principles of Neurology, 6th ed, p1422)


name: hereditary attention deficit-hyperactivity disorder

description: An instance of attention deficit-hyperactivity disorder that is caused by an inherited genomic modification in an individual.


inherited torticollis

description: A congenital benign lesion that occurs in the distal sternocleidomastoid muscle of infants. It is characterized by the presence of plump spindle cells, and collagenous stroma formation.


benign essential blepharospasm

description: Involuntary twitching of the eyelid.


Meniere disease

description: A disease of the inner ear (labyrinth) that is characterized by fluctuating sensorineural hearing loss; tinnitus; episodic vertigo; and aural fullness. It is the most common form of endolymphatic hydrops.


Lennox-Gastaut syndrome

description: Lennox-Gastaut syndrome (LGS) belongs to the group of severe childhood epileptic encephalopathies.


pulmonary hypertension

description: Increased pressure within the pulmonary circulation due to lung or heart disorder.


1p21.3 microdeletion syndrome

description: 1p21.3 microdeletion syndrome is an extremely rare chromosomal anomaly characterized by severe speech and language delay, intellectual deficiency, autism spectrum disorder.


autism spectrum disorder

description: A spectrum of developmental disorders that includes autism, and Asperger syndrome. Signs and symptoms include poor communication skills, defective social interactions, and repetitive behaviors.


epilepsy

description: A brain disorder characterized by episodes of abnormally increased neuronal discharge resulting in transient episodes of sensory or motor neurological dysfunction, or psychic dysfunction. These episodes may or may not be associated with loss of consciousness or convulsions.


name: autosomal recessive hypohidrotic ectodermal dysplasia

description: A rare autosomal recessive disorder characterized by developmental abnormalities of the skin, sweat glands, hair and nails. Patients have a reduced ability to sweat. Other signs and symptoms include hypotrichosis and teeth malformations.


Waardenburg-Shah syndrome

description: Waardenburg-Shah syndrome (WSS) is a neurocristopathy characterized by the association of Waardenburg syndrome (sensorineural hearing loss and pigmentary abnormalities) and Hirschsprung disease.


Hirschsprung disease

description: Hirschsprung disease (HSCR) is a congenital intestinal motility disorder that is characterized by signs of intestinal obstruction due to the presence of an aganglionic segment of variable extent in the terminal part of the colon.


description: Graham Little-Piccardi-Lassueur syndrome is a variant of lichen planopilaris characterized by the clinical triad of progressive cicatricial (scarring) alopecia of the scalp, follicular keratotic papules on glabrous skin, and variable alopecia of the axillae and groin.


nasopharyngeal carcinoma

description: A carcinoma arising from the nasopharyngeal epithelium. It includes the following types: keratinizing squamous cell carcinoma, nonkeratinizing carcinoma (differentiated and undifferentiated), basaloid squamous cell carcinoma, and papillary adenocarcinoma.


gliosarcoma

description: A rare histological variant of glioblastoma (WHO grade IV) characterized by a biphasic tissue pattern with alternating areas displaying glial and mesenchymal differentiation (WHO).


giant cell glioblastoma

description: A rare histological variant of glioblastoma (WHO grade IV) with a predominance of bizarre, multinucleated giant cells, an occasionally abundant stromal reticulin network, and a high frequency of TP53 mutations. (WHO)


Dubowitz syndrome

description: A rare multiple congenital syndrome characterized primarily by growth retardation, microcephaly, distinctive facial dysmorphism, cutaneous eczema, a mild to severe intellectual deficit and genital abnormalities.


angioedema

description: Swelling involving the deep dermis, subcutaneous, or submucosal tissues, representing localized edema. Angioedema often occurs in the face, lips, tongue, and larynx.


Aicardi-Goutieres syndrome

description: Aicardi-Goutieres syndrome (AGS) is an inherited, subacute encephalopathy characterized by the association of basal ganglia calcification, leukodystrophy and cerebrospinal fluid (CSF) lymphocytosis.


congenital hypothyroidism

description: A thyroid hormone deficiency present from birth.


hypohidrotic ectodermal dysplasia

description: A genetic disorder of ectoderm development characterized by malformation of ectodermal structures such as skin, hair, teeth and sweat glands. It comprises three clinically almost indistinguishable subtypes with impaired sweating as the key symptom: Christ-Siemens-Touraine (CST) syndrome (X-linked), autosomal recessive (AR), and autosomal dominant (AD) HED, as well as a fourth rare subtype with immunodeficiency as the key symptom (HED with immunodeficiency).


name: migraine with or without aura, susceptibility to, 1


6q terminal deletion syndrome

description: 6q terminal deletion syndrome is marked by a characteristic facial dysmorphism, short neck and psychomotor retardation, generally associated with a range of non-specific malformations.


name: PROSTATE CANCER/BRAIN CANCER SUSCEPTIBILITY


photosensitive trichothiodystrophy

description: A trichothiodystrophy that is photosensitive, and caused by defects in the NER pathway


name: xeroderma pigmentosum-Cockayne syndrome complex

description: Xeroderma pigmentosum/Cockayne syndrome complex (XP/CS complex) is characterized by the cutaneous features of xeroderma pigmentosum (XP) together with the systemic and neurological features of Cockayne syndrome (CS).


COFS syndrome

description: Cerebrooculofacioskeletal (COFS) syndrome is a rare genetic disorder, belonging to a family of diseases of DNA repair, characterized by a severe sensorineural involvement.


megaloblastic anemia

description: Anemia characterized by the presence of unusually large erythroblasts in the bone marrow called megaloblasts. It is usually caused by vitamin B12 or folic acid deficiency. Other causes include toxins and drugs.


pancytopenia

description: A finding of low numbers of red and white blood cells and platelets in the peripheral blood.


name: ERYTHROLEUKEMIA, FAMILIAL, SUSCEPTIBILITY TO


isolated cloverleaf skull syndrome

description: Isolated cloverleaf skull syndrome is a form of craniosynostosis involving multiple sutures (coronal, lambdoidal, sagittal and metopic) characterized by a trilobular skull of varying severity (frontal towering and bossing, temporal bulging and a flat posterior skull), dysmorphic features (downslanting palpebral fissures, midface hypoplasia, and extreme proptosis) and that is complicated by hydrocephalus, cerebral venous hypertension, developmental delay/intellectual disability and hind brain herniation.


craniosynostosis

description: Craniosynostosis is defined as the premature fusion of one or more cranial sutures leading to secondary distortion of skull shape resulting in skull deformities with a variable presentation. Craniosynostosis may occur in an isolated setting or as part of a syndrome.


Chiari malformation

description: A rare genetic brain malformation characterized by displacement of the brain stem and cerebellum through the foramen magnum. It may result in hydrocephalus.


neutropenia

description: A decrease in the number of neutrophils found in the blood.


frontonasal dysplasia

description: A group of rare bone development disorders characterized by an array of abnormalities affecting the eyes, forehead, and nose, and linked to midfacial dysraphia. The clinical picture is highly variable, but the major findings include hypertelorism, a broad nasal root, a large and bifid nasal tip, and widow's peak. Occasionally, abnormalities can include accessory nasal tags, cleft lip, ocular abnormalities (coloboma, cataract, microphthalmia), conductive hearing loss, basal encephalocele and/or agenesis of the corpus callosum. Intellectual deficit is rare and more likely to occur in cases where hypertelorism is severe or where there is extra-cranial involvement.


amelogenesis imperfecta

description: Amelogenesis imperfecta (AI) represents a group of developmental conditions affecting the structure and clinical appearance of the enamel of all or nearly all the teeth in a more or less equal manner, and which may be associated with morphologic or biochemical changes elsewhere in the body.


polycythemia

description: Abnormally high mass or concentration of red blood cells in the blood, either due to an increase in erythropoiesis or a decrease in plasma volume.


Marie Unna hereditary hypotrichosis

description: A rare autosomal dominant hair loss disorder characterized by the absence or scarcity of scalp hair, eyebrows, and eyelashes at birth; coarse and wiry hair during childhood; and progressive hair loss beginning around puberty.


desmoplastic small round cell tumor

description: Desmoplastic small round cell tumor (DSRCT) is an aggressive soft tissue cancer that typically arises in serous lined surfaces of the abdominal or pelvic peritoneum, and spreads to the omentum, lymph nodes and hematogenously disseminates especially to the liver. Extraserous primary location has been reported in exceptional cases.


extraskeletal myxoid chondrosarcoma

description: A rare malignant soft tissue neoplasm of uncertain differentiation, characterized by the presence of chondroblast-like cells in a myxoid stroma and a multinodular growth pattern. The most common sites of involvement are the deep soft tissues of the extremities, particularly the thigh. It usually presents as an enlarging soft tissue mass. Patients may have long survivals, but local recurrences and metastases occur in approximately half of the cases. The most common site of metastasis is the lungs.


branchiootic syndrome

description: Branchiootic syndrome is a rare, genetic multiple congenital anomalies syndrome characterized by second branchial arch anomalies (branchial cysts and fistulae), malformations of the outer, middle and inner ear associated with sensorineural, mixed or conductive hearing loss, and the absence of renal abnormalities. Typical ear findings consist of malformed auricles (e.g. lop or cupped ears), preauricular pits and/or tags, and middle and/or inner ear dysplasias (including cochlear, vestibular and semicircular channel hypoplasia, malformation of the ossicles and of middle ear space).


branchio-oto-renal syndrome

description: A syndrome characterized by branchial arch anomalies (branchial clefts, fistulae, cysts), hearing impairment (malformations of the auricle with pre-auricular pits, conductive or sensorineural hearing impairment), and renal malformations (urinary tree malformation, renal hypoplasia or agenesis, renal dysplasia, renal cysts).


name: chromosome 15q13.3 microdeletion syndrome

description: 15q13.3 microdeletion (microdel15q13.3) syndrome is characterized by a wide spectrum of neurodevelopmental disorders with no or subtle dysmorphic features.


ankylosing spondylitis

description: An autoimmune chronic inflammatory disorder characterized by inflammation in the vertebral joints of the spine and sacroiliac joints. It predominantly affects young males. Patients present with stiffness and pain in the spine.


sunburn

description: An inflammatory reaction from ultraviolet radiation characterized by transient redness, tenderness and occasional blistering.


chronic myelomonocytic leukemia

description: A myelodysplastic/myeloproliferative neoplasm which is characterized by persistent monocytosis, absence of a Philadelphia chromosome and BCR/ABL fusion gene, fewer than 20 percent blasts in the bone marrow and blood, myelodysplasia, and absence of PDGFRA or PDGFRB rearrangement.


fibrosarcoma

description: A malignant mesenchymal fibroblastic neoplasm affecting the soft tissue and bone.


congenital mesoblastic nephroma

description: A low grade childhood congenital malignant neoplasm arising from the kidney. It is characterized by the presence of fibroblastic cells. The majority of cases occur in the first year of life. Complete excision is usually associated with an excellent prognosis.


familial hypofibrinogenemia

description: Familial hypofibrinogenemia is a coagulation disorder characterized by mild bleeding symptoms following trauma or surgery due to a reduced plasma fibrinogen concentration.


name: glomerulopathy with fibronectin deposits 1


pneumothorax

description: Abnormal presence of air in the pleural cavity.


cutis laxa

description: Cutis laxa (CL) is an inherited or acquired connective tissue disorder characterized by wrinkled, redundant and sagging inelastic skin associated with skeletal and developmental anomalies and, in some cases, with severe systemic involvement. Several different forms of inherited CL have been described, differentiated on the basis of the mode of inheritance and differences in the extent of internal organ involvement, associated anomalies and disease severity.


autosomal dominant cutis laxa

description: Autosomal dominant cutis laxa (ADCL) is a connective tissue disorder characterized by wrinkled, redundant and sagging inelastic skin associated in some cases with internal organ involvement.


congenital factor XIII deficiency

description: Congenital factor XIII deficiency is an inherited bleeding disorder due to reduced levels and activity of factor XIII (FXIII) and characterized by hemorrhagic diathesis frequently associated with spontaneous abortions and defective wound healing. Factor XIII deficiency is one of the most rare coagulation factor deficiencies.


VACTERL with hydrocephalus

description: VACTERL is an acronym for Vertebral anomalies, Anal atresia, Congenital cardiac disease, tracheoesophageal fistula, Renal anomalies, and Limb defects. VACTERL associated with hydrocephalus has rarely been reported and is thought to be an autosomal recessive anomaly. The condition is described as a uniformly lethal or developmentally devastating disorder distinct from the VATER association.


neonatal Marfan syndrome

description: Neonatal Marfan syndrome is a rare, severe and life-threatening genetic disease, occurring during the neonatal period, characterized by classical Marfan syndrome manifestations in addition to facial dysmorphism (megalocornea, iridodonesis, ectopia lentis, crumpled ears, loose redundant skin giving a 'senile' facial appearance), flexion joint contractures, pulmonary emphysema, and a severe, rapidly progressive cardiovascular disease (including ascending aortic dilatation and severe mitral and/or tricuspid valve insufficiency). Additionally, skeletal manifestations (arachnodactyly, dolichostenomelia, pectus deformities) are also associated.


Aspirin-induced asthma

description: A type of asthma in which aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) that inhibit cyclooxygen-ase 1 (COX-1) exacerbate bronchoconstriction.


name: hereditary acrokeratotic poikiloderma, Weary type


ankylosis

description: Fixation and immobility of a joint.


Plagiocephaly

description: Asymmetric head shape, which is usually a combination of unilateral occipital flattening with ipsilateral frontal prominence, leading to rhomboid cranial shape.


Pfeiffer syndrome type 3

description: Pfeiffer syndrome type 3 (PS3) is a severe type of Pfeiffer syndrome (PS), characterized by bicoronal craniosynostosis, severe associated functional disorders, and hand, foot and elbow abnormalities.


Pfeiffer syndrome type 1

description: Pfeiffer syndrome type 1 (PS1) is a mild to moderately severe type of Pfeiffer syndrome (PS), characterized by bicoronal craniosynostosis, variable finger and toe malformations, and in most cases, normal intellectual development.


Pfeiffer syndrome type 2

description: Pfeiffer syndrome type 2 (PS2) is a frequent and severe type of Pfeiffer syndrome (PS), characterized by cloverleaf skull, severe associated functional disorders, and hand/foot and elbow/knee abnormalities.


thanatophoric dysplasia

description: Thanatophoric dysplasia (TD) is a severe and generally lethal skeletal dysplasia presenting in the prenatal period and characterized by micromelia, macrocephaly, narrow thorax, and distinctive facial features. It includes TD, type 1 (TD1) and TD, type 2 (TD2), that can be differentiated from each other by femur and skull shape.


ulcerative colitis

description: An inflammatory bowel disease involving the mucosal surface of the large intestine and rectum. It may present with an acute or slow onset and follows an intermittent or continuous course. Signs and symptoms include abdominal pain, diarrhea, fever, weight loss, and intestinal hemorrhage.


Sjogren syndrome

description: An autoimmune disorder in which immune cells attack and destroy the glands that produce tears and saliva. Sjögren syndrome is also associated with rheumatic disorders such as rheumatoid arthritis or systemic lupus erythematosus. The hallmark symptoms of Sjögren syndrome are dry mouth and dry eyes. In addition, Sjogren syndrome may cause skin, nose, and vaginal dryness. It also may affect other organs of the body including the kidneys, blood vessels, lungs, liver, pancreas, and brain


isolated trigonocephaly

description: Isolated trigonocephaly is a nonsyndromic form of craniosynostosis characterized by the premature fusion of the metopic suture.


astrocytic tumor

description: A glial tumor of the brain or spinal cord showing astrocytic differentiation. It includes the following clinicopathological entities: pilocytic astrocytoma, diffuse astrocytoma, anaplastic astrocytoma, pleomorphic xanthoastrocytoma, subependymal giant cell astrocytoma, and glioblastoma.


cleft palate

description: Cleft palate is a fissure type embryopathy that affects the soft and hard palate to varying degrees.


acute promyelocytic leukemia

description: An aggressive form of acute myeloid leukemia (AML), characterized by arrest of leukocyte differentiation at the promyelocyte stage, due to a specific chromosomal translocation t(15;17) in myeloid cells. APL manifests with easy bruising, hemorrhagic diathesis and fatigue.


hereditary angioedema

description: Hereditary angioedema (HAE) is a genetic disease characterized by the occurrence of transitory and recurrent subcutaneous and/or submucosal edemas resulting in swelling and/or abdominal pain.


name: Amelogenesis imperfecta-gingival hyperplasia syndrome


retinal vein occlusion

description: An occlusion of the retinal vein.


myocardial infarction

description: Gross necrosis of the myocardium, as a result of interruption of the blood supply to the area, as in coronary thrombosis.


brain ischemia

description: Diminished or absent blood supply to the brain caused by obstruction (thrombosis or embolism) of an artery resulting in neurologic damage.


sagittal sinus thrombosis

description: Formation or presence of a blood clot (thrombus) in the superior sagittal sinus or the inferior sagittal sinus. Sagittal sinus thrombosis can result from infections, hematological disorders, craniocerebral trauma; and neurosurgical procedures. Clinical features are primarily related to the increased intracranial pressure causing headache; nausea; and vomiting. Severe cases can evolve to seizures or coma.


thrombophilia

description: A condition characterized by an abnormally high level of thrombi. Causes include thrombotic thrombocytopenic purpura, disseminated intravascular coagulation, bone marrow disorders, and antiphospholipid antibody syndrome.


synpolydactyly type 2

description: Any non-syndromic synpolydactyly in which the cause of the disease is a mutation in the FBLN1 gene.


autosomal recessive cutis laxa type 1

description: Autosomal recessive cutis laxa, type 1 (ARCL1) is a generalized connective tissue disorder characterized by the association of wrinkled, redundant and sagging inelastic skin with severe systemic manifestations (lung atelectesias and emphysema, vascular anomalies, and gastrointestinal and genitourinary tract diverticuli).


congestive heart failure

description: Failure of the heart to pump a sufficient amount of blood to meet the needs of the body tissues, resulting in tissue congestion and edema. Signs and symptoms include shortness of breath, pitting edema, enlarged tender liver, engorged neck veins, and pulmonary rales.


Charcot-Marie-Tooth disease

description: An inherited degenerative disorder involving the peripheral nerves. It is caused by mutations in the genes that are responsible for the production of proteins necessary for the function and structure of the peripheral nerves. It is characterized by muscle atrophy and weakness in the feet, legs, hands, and arms and loss of sensation in the limbs.


Jacobsen syndrome

description: A multiple congenital anomaly/intellectual disability contiguous gene syndrome caused by partial deletion of the long arm of chromosome 11.


Paris-Trousseau thrombocytopenia

description: Paris-Trousseau thrombocytopenia (TCPT) is a contiguous gene syndrome characterized by mild bleeding tendency, variable thrombocytopenia (THC), dysmorphic facies, abnormal giant alpha-granules in platelets and dysmegakaryopoiesis.


46,XY partial gonadal dysgenesis

description: 46,XY partial gonadal dysgenesis (46,XY PGD) is a disorder of sex development (DSD) associated with anomalies in gonadal development that results in genital ambiguity of variable degree ranging from almost female phenotype to almost male phenotype in a patient carrying a male 46,XY karyotype.


congenital diaphragmatic hernia

description: A posterolateral defect of the diaphragm that allows passage of abdominal viscera into the thorax, leading to respiratory insufficiency and persistent pulmonary hypertension with high mortality.


14q12 microdeletion syndrome

description: 14q12 microdeletion syndrome is a recently described syndrome characterized by severe intellectual deficit, with a normal neonatal period, followed by a phase of regression at the age of 3-6 months.


disseminated intravascular coagulation

description: A pathological process where the blood starts to coagulate throughout the whole body. This depletes the body of its platelets and coagulation factors, and there is an increased risk of hemorrhage.


hemorrhagic disease

description: Spontaneous or near spontaneous bleeding caused by a defect in clotting mechanisms (blood coagulation disorders) or another abnormality causing a structural flaw in the blood vessels (hemostatic disorders).


hyperphosphatemia

description: Abnormally high level of phosphate in the blood.


otodental syndrome

description: Otodental syndrome is a very rare inherited condition characterized by grossly enlarged canine and molar teeth (globodontia) associated with sensorineural hearing loss.


name: Ehlers-Danlos syndrome with periventricular heterotopia


name: attention deficit hyperactivity disorder, inattentive type

description: A mental disorder characterized by inattention, easy distraction, careless mistakes and avoidance of tasks that require sustained mental focus. These behaviors can lead to maladaptive consequences in the affected individual's life.


arthrogryposis-like syndrome

description: Arthrogryposis-like syndrome, also known as Kuskokwim disease, is a very rare congenital contracture disorder, reported exclusively in Yup'ik Eskimos of the Kuskokwim River delta region of Alaska, characterized by multiple contractures of large joints (predominantly the knees and ankles) that present at birth or during childhood but are lifelong; deformities of the spine, pelvis and feet; and sometimes proximally or distally displaced patellae and muscle atrophy in the limbs with contractures. Additional radiological features include mild vertebral wedging, elongation of the vertebral pedicle, and clubbing of the distal clavicle. An autosomal recessive pattern of inheritance has been suggested.


Bruck syndrome

description: Bruck syndrome is characterized by the association of osteogenesis imperfecta and congenital joint contractures.


Axenfeld-Rieger syndrome

description: Axenfeld-Rieger syndrome (ARS) is a generic term used to designate overlapping genetic disorders, in which the major physical condition is anterior segment dysgenesis of the eye. Patients with ARS may also present with multiple variable congenital anomalies.


Dandy-Walker syndrome

description: Dandy-Walker malformation (DWM) is the association of three signs: hydrocephalus, partial or complete absence of the cerebellar vermis, and posterior fossa cyst contiguous with the fourth ventricle, presenting early in life with hydrocephalus, bulging occiput and posterior fossa signs such as cranial nerve palsies, nystagmus and ataxia.


retinopathy of prematurity

description: A bilateral retinopathy characterized by neovascularization, scarring, retinal detachment, and eventually blindness. It may be mild or severe. It occurs in babies born prematurely. Causes include oxygen toxicity and hypoxia.


dermatitis, atopic

description: Atopic dermatitis (AD) or atopic eczema is an itchy, inflammatory skin condition with a predilection for the skin flexures. It is characterized by poorly defined erythema with edema, vesicles, and weeping in the acute stage and skin thickening (lichenification) in the chronic stage.


atopic eczema

description: A chronic inflammatory genetically determined disease of the skin marked by increased ability to form reagin (IgE), with increased susceptibility to allergic rhinitis and asthma, and hereditary disposition to a lowered threshold for pruritus. It is manifested by lichenification, excoriation, and crusting, mainly on the flexural surfaces of the elbow and knee. In infants it is known as infantile eczema.


acute biphenotypic leukemia

description: An acute leukemia of ambiguous lineage characterized by blasts which coexpress myeloid and T or B lineage antigens or concurrent B and T lineage antigens. (WHO, 2001)


gonadal dysgenesis

description: A congenital disorder characterized by the presence of extremely hypoplastic gonads preventing the development of secondary sex characteristics.


Xq27.3q28 duplication syndrome

description: Xq27.3q28 duplication syndrome is a recently described syndrome characterized by short stature, hypogonadism, developmental delay and facial dysmorphism.


bifid nose

description: Bifid nose is a rare congenital malformation of presumed autosomal dominant or recessive inheritance characterized by clefting of the nose ranging from a minimally noticeable groove in the columella to complete clefting of the underlying bones and cartilage (resulting in two half noses) with a usually adequate airway. Bifid nose may be seen in frontonasal dysplasia while other malformations such as hypertelorbitism and midline clefts of the lip may also be associated.


Chiari malformation type II

description: Arnold-Chiari malformation type II is a rare, central nervous system malformation characterized by caudal displacement of the cerebellum, pons, medulla and fourth ventricle through the foramen magnum into the spinal canal, and is typically associated with myelomeningocele. Variable other central nervous system abnormalities might be present (partial or complete agenesis of the corpus callosum, a small fourth ventricle, obstructive hydrocephalus, falx and tentorium defects, and polygyria). Symptoms include hypotonia, apnea with cyanosis, dysphagia, opisthotonus, nystagmus, spasticity, ataxia, and occipital headache.


caudal regression sequence

description: Caudal regression sequence is a rare congenital malformation of the lower spinal segments associated with aplasia or hypoplasia of the sacrum and lumbar spine.


autosomal dominant omodysplasia

description: Autosomal dominant form of omodysplasia.


name: disseminated superficial actinic porokeratosis

description: Disseminated superficial actinic porokeratosis (DSAP) is the most common form of porokeratosis characterized by the presence of several small annular plaques with a distinctive keratotic rim found most commonly on sun-exposed areas of the skin, particularly the extremities.


favism

description: A condition associated with glucose-6-phosphate dehydrogenase deficiency, which is characterized by hemolysis.


G6PD deficiency

description: An X-linked genetic condition caused by alterations in the gene G6PD that result in moderately to severely decreased activity levels of the enzyme glucose-6-phosphate dehydrogenase. Most individuals with G6PD deficiency are asymptomatic. Individuals with G6PD variants that cause G6PD deficiency are at risk for neonatal jaundice. These individuals are also at risk for acute hemolytic anemia in response to certain medication exposures, chemical exposures, infections, or consumption of fava beans.


name: congenital nonspherocytic hemolytic anemia

description: Any one of a group of congenital hemolytic anemias in which there is no abnormal hemoglobin or spherocytosis and in which there is a defect of glycolysis in the erythrocyte. Common causes include deficiencies in glucose-6-phosphate isomerase; pyruvate kinase; and glucose-6-phosphate dehydrogenase.


8p23.1 microdeletion syndrome

description: 8p23.1 deletion involves a partial deletion of the short arm of chromosome 8 characterized by low birth weight, postnatal growth deficiency, mild intellectual deficit, hyperactivity, craniofacial abnormalities, and congenital heart defects.


pulmonary embolism

description: The obstruction of the pulmonary artery or one of its branches by an embolus, sometimes associated with infarction of the lung.


intellectual disability

description: A broad category of disorders characterized by an impairment to the intelligence an individual possesses. These impairments can result from trauma, birth, or disease and are not restricted to any particular age group.


lymphatic malformation 5

description: A frequent form of late-onset, primary lymphedema characterized by lower limb lymphedema typically developing during puberty.


yellow nail syndrome

description: A very rare syndromic disorder characterized by the variable triad of characteristic yellow nails, chronic respiratory manifestations, and primary lymphedema.


name: familial papillary or follicular thyroid carcinoma

description: A papillary or follicular thyroid gland carcinoma with a genetic component that develops within the same family. Current studies suggest that it is inherited in an autosomal dominant pattern. It is often multifocal and bilateral and usually affects younger patients.


Friedreich ataxia

description: An inherited condition that affects the nervous system and causes movement problems. People with this condition develop impaired muscle coordination (ataxia) that worsens over time. Other features include the gradual loss of strength and sensation in the arms and legs, muscle stiffness (spasticity), and impaired speech. Many individuals have a form of heart disease called hypertrophic cardiomyopathy. Some develop diabetes, impaired vision, hearing loss, or an abnormal curvature of the spine (scoliosis). Most people with Friedreich ataxia begin to experience the signs and symptoms around puberty.


oligospermia

description: Decreased number of spermatozoa in the semen.


name: childhood epilepsy with centrotemporal spikes

description: A childhood-onset epilepsy syndrome that is characterized by onset of seizures between 3 and 14 years (peak 8-9 years) that usually resolve by age 13 years, but can occasionally occur up to age 18 years of age. Both sexes are affected. Antecedent, birth and neonatal history is normal. A history of febrile seizure (in 5-15%) may be seen. A history of Panayiotopoulos syndrome may be present in a very small number of cases. Neurological exam and head size is normal. Development and cognition prior to onset of seizures is normal. During the course of the active epilepsy, behavioral and neuropsychological deficits may be found, particularly in language and executive functioning. These deficits improve when seizures remit.


name: Febrile seizure (within the age range of 3 months to 6 years)

description: A febrile seizure is any type of seizure (most often a generalized tonic-clonic seizure) occurring with fever (at least 38 degrees Celsius) but in the absence of central nervous system infection, severe metabolic disturbance or other alternative precipitant in children between the ages of 3 months and 6 years.


potassium deficiency disease

description: Any disorder caused by an insufficient amount or availability of potassium, which generally manifests with myalgia, tetany, hypotension, polyuria, and polydipsia.


name: familial isolated hypoparathyroidism due to agenesis of parathyroid gland

description: Hypoparathyroidism in which the inheritance is recessive and linked to the q26-q27 region of the X chromosome. The parathyroid glands are usually incompletely developed (parathyroid dysgenesis) or absent (parathyroid agenesis).


Klippel-Feil syndrome

description: A congenital, musculoskeletal condition characterized by the fusion of at least two vertebrae of the neck. Common symptoms include a short neck, low hairline at the back of the head, and restricted mobility of the upper spine. This syndrome can cause chronic headaches as well as pain in both the neck and the back.Other features may involve various other body parts or systems. Sometimes, KFS occurs as a feature of another disorder or syndrome, such as Wildervanck syndrome or hemifacial microsomia. In these cases, people have the features of both KFS and the additional disorder. KFS may be caused by mutations in the GDF6 or GDF3 gene and inherited in an autosomal dominant manner; or, it may be caused by mutations in the MEOX1 gene and inherited in an autosomal recessive manner. Treatment is symptomatic and may include medications, surgery, and/or physical therapy.


inclusion body myositis

description: A slowly progressive degenerative inflammatory disorder of skeletal muscles characterized by late onset weakness of specific muscles and distinctive histopathological features.


name: congenital hypothalamic hamartoma syndrome

description: Hypothalamic hamartomas (HH) are rare, tumor-like malformations that occur during fetal development and are present at birth. The lesions usually do not change in size or spread to other locations. Both the type and severity of symptoms vary greatly among patients with hypothalamic hamartomas. Common symptoms include frequent gelastic seizures (spontaneous laughing, giggling and/or smirking) or dacrystic seizures (crying or grunting); developmental delays; and/or precocious puberty. Additional symptoms may include cognitive impairment; emotional and behavioral difficulties; and endocrine disturbances. These symptoms often start early in life but are frequently misdiagnosed. For some patients, endocrine (hormonal) disturbances such as central precocious puberty may be the only symptom. These patients can often be treated successfully with medications. For some, however, HH can be disabling. For those with HH and epilepsy, it is common for the disorder to progress and for different types of seizures to develop. The seizures associated with HH often cannot be well-controlled with the standard seizure medications. For some, additional treatment such as surgical removal, radiosurgery, or thermoablation may be indicated. Though hypothalamic hamartomas can occur in patients with certain genetic disorders (such as Pallister-Hall syndrome), the majority of cases are sporadic.


polydactyly

description: A disease characterized by the presence of polydactyly, including syndromic and non-syndromic forms.


angle-closure glaucoma

description: The sudden increase of intraocular pressure, resulting in pain and an abrupt decrease in visual acuity.


acquired hyperprolactinemia

description: An instance of hyperprolactinemia (disease) that is acquired during the lifetime of the individual.


van der Woude syndrome

description: Van der Woude syndrome (VWS) is a rare congenital genetic dysmorphic syndrome characterized by paramedian lower-lip fistulae, cleft lip with or without cleft palate, or isolated cleft palate.


thyrotoxic periodic paralysis

description: Thyrotoxic periodic paralysis (TPP) is a rare neurological disease characterized by recurrent episodes of paralysis and hypokalemia during a thyrotoxic state.


chromosome 1p36 deletion syndrome

description: A chromosomal anomaly characterized by distinctive facial dysmorphic features, hypotonia, developmental delay, intellectual disability, seizures, heart defects, hearing impairment and prenatal onset growth deficiency.


early myoclonic encephalopathy

description: Early myoclonic encephalopathy (EME) is characterized clinically by the onset of fragmentary myoclonus appearing in the first month of life, often associated with erratic focal seizures and a suppression-burst EEG pattern.


Gaucher disease

description: Gaucher disease (GD) is a lysosomal storage disorder encompassing three main forms (types 1, 2 and 3), a fetal form and a variant with cardiac involvement (Gaucher disease - ophthalmoplegia - cardiovascular calcification or Gaucher-like disease).


ventricular tachycardia, familial

description: An instance of ventricular tachycardia that is caused by an inherited modification of the individual's genome.


Usher syndrome type 2

description: A syndrome characterized by congenital, bilateral sensorineural hearing loss that is mild to moderate in the low frequencies and severe to profound in the higher frequencies, no abnormalities in the vestibular system, and retinitis pigmentosa.


diarrheal disease

description: The condition of having at least three loose or liquid bowel movements each day.


acute basophilic leukemia

description: A rare acute myeloid leukemia in which the immature cells differentiate towards basophils.


Diamond-Blackfan anemia

description: A congenital aregenerative and often macrocytic anemia with erythroblastopenia.


transient myeloproliferative syndrome

description: A myeloid proliferation occurring in newborns with Down syndrome. It is clinically and morphologically indistinguishable from acute myeloid leukemia and is associated with GATA1 mutations. The blasts display morphologic and immunophenotypic features of megakaryocytic lineage. In the majority of patients the myeloid proliferation undergoes spontaneous remission.


description: A form of acromelic dysplasia characterized by the distinctive radiological sign of angel-shaped middle phalanges, a typical metacarpophalangeal pattern profile (mainly affecting first metacarpals and middle phalanges of second, third and fifth digits, which all appear short), epiphyseal changes in the hips and, in some, abnormal dentition and delayed bone age.


neuromyelitis optica

description: A rare inflammatory disease of the central nervous system characterized mainly by attacks of uni- or bilateral optic neuritis (ON) and acute myelitis.


tufted angioma

description: Tufted angioma is a very rare, benign, cutaneous, slow-growing, vascular tumor mostly developing in infancy or early childhood.


name: autosomal dominant polycystic kidney disease

description: Autosomal dominant form of polycystic kidney disease.


extrahepatic biliary atresia

description: A disorder of infants in which there is progressive obliteration or discontinuity of the extrahepatic biliary system, resulting in obstruction of bile flow.


name: alpha thalassemia-intellectual disability syndrome type 1

description: Alpha-thalassemia-intellectual deficit syndrome linked to chromosome 16 (ATR-16), a contiguous gene deletion syndrome, is a form of alpha-thalassemia characterized by microcytosis, hypochromia, normal hemoglobin (Hb) level or mild anemia, associated with developmental abnormalities.


Hb Bart's hydrops fetalis

description: Alpha thalassemia caused by variation in all four copies of the alpha hemoglobin genes (e.g., homozygous deletion encompassing HBA1 and HBA2).


beta thalassemia

description: Beta-thalassemia (BT) is characterized by deficiency (Beta+) or absence (Beta0) of synthesis of the beta globin chains of hemoglobin (Hb).


Cornelia de Lange syndrome

description: A rare syndrome characterized by low birth weight, delayed growth, intellectual disabillity, behavioral problems, and a distinctive facial appearance (thin, arched eyebrows, low set ears, small teeth, and small nose). The majority of cases are caused by mutations in the NIPBL gene. Less severe forms of the syndrome are caused by mutations in the SMC1A and SMC3 genes.


hepatic porphyria

description: A group of metabolic diseases due to deficiency of one of a number of liver enzymes in the biosynthetic pathway of heme. They are characterized by the accumulation and increased excretion of porphyrins or its precursors. Clinical features include neurological symptoms (porphyria, acute intermittent), cutaneous lesions due to photosensitivity (porphyria cutanea tarda), or both (hereditary coproporphyria). Hepatic porphyrias can be hereditary or acquired as a result of toxicity to the hepatic tissues.


porphyria cutanea tarda

description: The most common form of chronic hepatic porphyria. It is characterized by bullous photodermatitis.


name: hypothyroidism due to deficient transcription factors involved in pituitary development or function

description: Hypothyroidism due to mutations in transcription factors involved in pituitary development or function is a type of central congenital hypothyroidism, a permanent thyroid deficiency that is present from birth, characterized by low levels of thyroid hormones caused by disorders in the development or function of the pituitary.


myeloid leukemia

description: A clonal proliferation of myeloid cells and their precursors in the bone marrow, peripheral blood, and spleen. When the proliferating cells are immature myeloid cells and myeloblasts, it is called acute myeloid leukemia. When the proliferating myeloid cells are neutrophils, it is called chronic myelogenous leukemia.


gout

description: A condition characterized by painful swelling of the joints, which is caused by deposition of urate crystals.


mesenteric vascular occlusion

description: Obstruction of the flow in the splanchnic circulation by atherosclerosis; embolism; thrombosis; stenosis; trauma; and compression or intrinsic pressure from adjacent tumors. Rare causes are drugs, intestinal parasites, and vascular immunoinflammatory diseases such as periarteritis nodosa and thromboangiitis obliterans. (From Juergens et al., Peripheral Vascular Diseases, 5th ed, pp295-6)


hemoglobin C-beta-thalassemia syndrome

description: Hemoglobin C - beta-thalassemia (HbC - BT) is a form of beta-thalassemia resulting in moderate hemolytic anemia.


methemoglobinemia

description: An inherited or acquired condition characterized by abnormally increased levels of methemoglobin in the blood.


beta-thalassemia major

description: Beta-thalassemia (BT) major is a severe early-onset form of BT characterized by severe anemia requiring regular red blood cell transfusions.


delta-beta-thalassemia

description: Delta-beta-thalassemia is a form of beta-thalassemia characterized by decreased or absent synthesis of the delta- and beta-globin chains with a compensatory increase in expression of fetal gamma-chain synthesis.


hemoglobin C disease

description: Hemoglobin C disease (HbC) is a hemoglobinopathy characterized by production of abnormal variant hemoglobin known as hemoglobin C, with no or mild clinical manifestations (hemolytic anemia).


hemoglobin E-beta-thalassemia syndrome

description: Hemoglobin E - beta-thalassemia (HbE - BT) is a form of beta-thalassemia that results in a mild to severe clinical presentation ranging from a condition indistinguishable from beta-thalassemia major to a mild form of beta-thalassemia intermedia.


beta-thalassemia intermedia

description: Beta-thalassemia (BT) intermedia is a form of BT characterized by mild to moderate anemia which does not or only occasionally requires transfusion.


Plasmodium falciparum malaria

description: Malaria resulting from infection by Plasmodium falciparum.


name: hereditary persistence of fetal hemoglobin-beta-thalassemia syndrome

description: Hereditary persistence of fetal hemoglobin (HPFH) associated with beta-thalassemia is characterized by high hemoglobin (Hb) F levels and an increased number of fetal-Hb-containing-cells.


autosomal erythropoietic protoporphyria

description: Erythropoietic protoporphyria (EPP) is an inherited disorder of the heme metabolic pathway characterized by accumulation of protoporphyrin in blood, erythrocytes and tissues, and cutaneous manifestations of photosensitivity.


sporadic porphyria cutanea tarda

description: An instance of porphyria cutanea tarda that is acquired during the lifetime of the individual.


alopecia

description: Hair loss usually from the scalp. It may result in bald spots or spread to the entire scalp or the entire epidermis. It may be androgenetic or caused by chemotherapeutic agents, compulsive hair pulling, autoimmune disorders or congenital conditions.


atrial fibrillation

description: A disorder characterized by an electrocardiographic finding of a supraventricular arrhythmia characterized by the replacement of consistent P waves by rapid oscillations or fibrillatory waves that vary in size, shape and timing and are accompanied by an irregular ventricular response. (CDISC)


hemochromatosis type 2

description: Hemochromatosis type 2 (juvenile) is the early-onset and most severe form of rare hereditary hemochromatosis (HH), a group of diseases characterized by excessive tissue iron deposition of genetic origin.


12q14 microdeletion syndrome

description: 12q14 microdeletion syndrome is characterized by mild intellectual deficit, failure to thrive, short stature and osteopoikilosis. It has been described in four unrelated patients. The syndrome appears to be caused by a heterozygous deletion at chromosome region 12q14, which was detected in three of the four patients. The deleted region contains the LEMD3 gene: mutations in this gene have already been implicated in osteopoikilosis.


pleomorphic adenoma

description: A neoplasm characterized by the presence of benign epithelial and myoepithelial cells and a mesenchymal component that may contain mucoid, myxoid, cartilaginous, or osseous areas. It may be completely or partially encapsulated. It occurs in the parotid gland, submandibular gland, minor salivary glands in the oral cavity, upper respiratory tract, and nasal cavity and paranasal sinuses. It usually presents as a slow growing painless mass. Infrequently, patients may present with pain and facial palsy. It may recur after excision or transform to a malignant neoplasm (carcinoma ex pleomorphic adenoma).


uterine corpus leiomyoma

description: A benign smooth muscle neoplasm arising from the body of the uterus. It is characterized by the presence of spindle cells with cigar-shaped nuclei, interlacing fascicles, and a whorled pattern.


hyperinsulinism due to HNF1A deficiency

description: Hyperinsulinism due to HNF1A deficiency is a form of diazoxide-sensitive diffuse hyperinsulinism (DHI), characterized by transient or persistent hyperinsulinemic hypoglycemia (HH) in infancy that is responsive to diazoxide, evolving in to maturity-onset diabetes of the young subtype 1 (MODY-1) later in life.


Ochoa syndrome

description: Ochoa syndrome is characterized by the association of severe voiding dysfunction and a characteristic facial expression.


description: Chondrodysplasia - disorder of sex development is an extremely rare disorder of sex development, reported in only two siblings (one terminated in pregnancy) to date, characterized by the clinical features of 46,XY complete gonadal dysgenesis (normal external female genitalia, lack of pubertal development, primary amenorrhea, and hypergonadotrophic hypogonadism) in association with severe dwarfism with generalized chondrodysplasia (bell-shaped thorax, micromelia, brachydactyly). Other reported features in the live sibling included eye anomalies (hypoplastic irides, myopia, coloboma of optic disks), dysmorphic features (deep-set eyes, upslanting palpebral fissures, puffy eyelids, large ears and mouth, mild prognathism), muscular hypoplasia, mild intellectual deficiency and severe microcephaly with cerebellar vermis hypoplasia. An autosomal recessive inheritance has been suggested.


preeclampsia/eclampsia 1

description: Pregnancy-induced toxic reactions of the mother that can be as harmless as slight Maternal hypertension or as life threatening as Eclampsia.


hemangioma

description: A benign vascular lesion characterized by the formation of capillary-sized or cavernous vascular channels.


chondroma

description: A benign well circumscribed neoplasm of hyaline cartilage arising from bone or soft tissue. It is characterized by the presence of chondrocytes.


spinocerebellar ataxia type 18

description: Spinocerebellar ataxia type 18 (SCA18) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by sensory neuropathy and cerebellar ataxia.


dysgammaglobulinemia

description: An immunologic deficiency state characterized by selective deficiencies of one or more, but not all, classes of immunoglobulins.


hyperinsulinism due to HNF4A deficiency

description: Hyperinsulinism due to HNF4A deficiency is a form of diazoxide-sensitive diffuse hyperinsulinism (DHI), characterized by macrosomia, transient or persistent hyperinsulinemic hypoglycemia (HH), responsiveness to diazoxide and a propensity to develop maturity-onset diabetes of the young subtype 1 (MODY-1).


leprosy

description: Leprosy is a chronic infectious disease affecting primarily the skin and peripheral nervous system.


Vogt-Koyanagi-Harada disease

description: A bilateral, chronic, diffuse granulomatous panuveitis typically characterized by serous retinal detachment and frequently associated with neurological (meningitis), auditory, and dermatological alterations.


primary biliary cholangitis

description: Primary biliary cholangitis (PBC) is a chronic and slowly progressive cholestatic liver disease of autoimmune etiology characterized by injury of the intrahepatic bile ducts that may eventually lead to liver failure.


microtia

description: A congenital malformation of the external ear, seen more frequently in males, that occurs sporadically or is inherited, that is characterized by unilateral (79-93% of cases, 60% of which involve the right ear) or bilateral small and abnormally shaped auricles and that is often associated with atresia or stenosis of the ear canal, attention deficit disorders and delayed language development. The variation in auricle size ranges from grade I, where the auricle is simply smaller than normal, to grade IV, also known as anotia, where there is a complete absence of the external ear and of the auditory canal.


brachydactyly type E

description: Brachydactyly type E (BDE) is a congenital malformation of the digits characterized by variable shortening of the metacarpals with more or less normal length phalanges, although the terminal phalanges are often short.


cranioectodermal dysplasia

description: Cranioectodermal dysplasia (CED) is a rare developmental disorder characterized by congenital skeletal and ectodermal defects associated with dysmorphic features, nephronophthisis, hepatic fibrosis and ocular anomalies (mainly retinitis pigmentosa).


chronic graft versus host disease

description: Chronic graft versus host disease (GVHD) is a complication that can occur after a stem cell or bone marrow transplant in which the newly transplanted donor cells attack the transplant recipient's body. Symptoms may include skin rash, mouth sores, dry eyes, liver inflammation, development of scar tissue in the skin and joints, and damage to the lungs. The exact cause of chronic GVHD is unknown.It likely results from a complex immune-mediated interaction between the donor and recipient cells.Chronic GVHD is treated with prednisone or other similar anti-inflammatory or immunosuppressive medications.


hypotensive disorder

description: Blood pressure that is abnormally low.


pleurisy

description: Inflammation of the pleura. It is usually caused by infections. Chest pain while breathing or coughing is the presenting symptom.


leishmaniasis

description: Infectious disease that is transmitted through the bite of hematophagous female phlebotomine sand flies. The clinical spectrum ranges from asymptomatic to clinically overt disease which can remain localized to the skin or disseminate to the upper oral and respiratory mucous membranes or throughout the reticulo-endothelial system. Three main clinical syndromes have been described: visceral (or Kala-Azar; with fever, weight loss, hepatosplenomegaly), cutaneous, and mucocutaneous leishmaniasis (cutaneous or mucocutaneous ulceration).


multiple sclerosis

description: A progressive autoimmune disorder affecting the central nervous system resulting in demyelination. Patients develop physical and cognitive impairments that correspond with the affected nerve fibers.


aseptic meningitis

description: Inflammation of the membranes surrounding the brain and spinal cord without a bacterial pathogen.


name: arteriovenous malformations of the brain

description: Cerebral arteriovenous malformation (AVM) is a congenital malformative communication between the veins and the arteries in the brain in the form of a nidus, an anatomical structure composed of dilated and tangled supplying arterioles and drainage veins with no intervening capillary bed, that can be asymptomatic or cause, depending on the location and the size of the AVM, headaches of varying severity, generalized or focal seizures, focalneurological defects (weakness, numbness, speech difficulties, vision loss) or potentially fatal intracranial hemorrhage in case the AVM ruptures.


middle cerebral artery infarction

description: Necrosis occurring in the middle cerebral artery distribution system which brings blood to the entire lateral aspects of each cerebral hemisphere. Clinical signs include impaired cognition; aphasia; agraphia; weak and numbness in the face and arms, contralaterally or bilaterally depending on the infarction.


hyperthyroxinemia

description: Abnormally elevated thyroxine level in the blood.


coronary aneurysm

description: Abnormal balloon- or sac-like dilatation in the wall of coronary vessels. Most coronary aneurysms are due to coronary atherosclerosis, and the rest are due to inflammatory diseases, such as kawasaki disease.


inflammatory bowel disease

description: A spectrum of small and large bowel inflammatory diseases of unknown etiology. It includes Crohn's disease, ulcerative colitis, and colitis of indeterminate type.


isolated hemihyperplasia

description: Isolated hemihyperplasia is a rare overgrowth syndrome characterized by an asymmetric regional body overgrowth, involving at least one limb, and associated with an increased risk of developing embryonal tumors, principally nephroblastoma and hepoblastoma.


celiac disease

description: An autoimmune genetic disorder with an unknown pattern of inheritance that primarily affects the digestive tract. It is caused by intolerance to dietary gluten. Consumption of gluten protein triggers an immune response which damages small intestinal villi and prevents adequate absorption of nutrients. Clinical signs include abdominal cramping, diarrhea or constipation and weight loss. If untreated, the clinical course may progress to malnutrition, anemia, osteoporosis and an increased risk of intestinal malignancies. However, the prognosis is favorable with successful avoidance of gluten in the diet.


glucose intolerance

description: The inability to regulate blood glucose levels resulting in hyperglycemia.


Albuminuria

description: Increased concentration of albumin in the urine.


name: generalized junctional epidermolysis bullosa non-Herlitz type

description: Generalized non-Herlitz-type junctional epidermolysis bullosa is a form of non-Herlitz-type junctional epidermolysis bullosa (JEB-nH) characterized by generalized skin blistering, atrophic scarring, nail dystrophy or nail absence, and enamel hypoplasia, with extracutaneous involvement.


epidermolysis bullosa

description: Epidermolysis bullosa (EB) is a group of genetic skin diseases that cause the skin to blister very easily. Blisters form in response to minor injuries or friction, such as rubbing or scratching. There are four main types of epidermolysis bullosa: dystrophic epidermolysis bullosa Epidermolysis bullosa simplex Junctional epidermolysis bullosa Kindler Syndrome Identifying the exact type can be hard because there are many subtypes of EB. Within each type or subtype, a person may be mildly or severely affected. The disease can range from being a minor inconvenience to completely disabling, and fatal in some cases. Most types of EB are inherited. The inheritance pattern may be autosomal dominant or autosomal recessive. Management involves protecting the skin, reducing friction against the skin, and keeping the skin cool.


junctional epidermolysis bullosa

description: Junctional epidermolysis bullosa (JEB) is a form of inherited epidermolysis bullosa characterized by involvement of the skin and mucous membranes, and is defined by the formation of blistering lesions between the epidermis and the dermis at the lamina lucida level of the cutaneous basement membrane zone and by healing of lesions with atrophy and/or exuberant granulation tissue formation.


hereditary mucosal leukokeratosis

description: White sponge nevus (WSN) is a rare and autosomal dominant genetic disease in which the oral mucosa is white or grayish, thickened, folded, and spongy. The onset is early in life, and both sexes are affected equally. Other common sites include the tongue, floor of the mouth, and alveolar mucosa.


long QT syndrome

description: A condition that is characterized by episodes of fainting (syncope) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are Romano-Ward syndrome (also known as long QT syndrome 1) and Jervell-Lange Nielsen syndrome.


torsades de pointes

description: A malignant form of polymorphic ventricular tachycardia that is characterized by heart rate between 200 and 250 beats per minute, and qrs complexes with changing amplitude and twisting of the points. The term also describes the syndrome of tachycardia with prolonged ventricular repolarization, long qt intervals exceeding 500 milliseconds or bradycardia. Torsades de pointes may be self-limited or may progress to ventricular fibrillation.


sinusitis

description: An acute or chronic inflammatory process affecting the mucous membranes of any sinus cavity.


familial thrombocytosis

description: Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and hemorrhage but does not cause myeloproliferation.


thrombocytosis disease

description: A disease characterized by higher than normal platelet counts in the peripheral blood.


severe combined immunodeficiency

description: Severe combined immunodeficiency (SCID) comprises a group of rare monogenic primary immunodeficiency disorders characterized by a lack of functional peripheral T lymphocytes resulting in early-onset severe respiratory infections and failure to thrive. They are classified according to immunological phenotype into SCID with absence of T cells but presence of B cells (T-B+ SCID) or SCID with absence of both (T-B- SCID). Both of these groups include several forms, with or without natural killer (NK) cells.