label: Omenn Syndrome
label_lc: omenn syndrome
description: A genetically heterogenous autosomal recessive severe combined immunodeficiency syndrome. caused by mutation(s) in the RAG-1, RAG-2, and DCLRE1C genes. It is characterized by the presence of alopecia, erythroderma, desquamation, lymphadenopathy, and chronic diarrhea.