label: ACD-related short telomere syndrome
label_lc: acd-related short telomere syndrome
description: A spectrum of conditions, including dyskeratosis congenita, Hoyeraal-Hreidarsson syndrome, hereditary aplastic anemia, and pulmonary fibrosis, typically characterized by shortened telomeres due to a pathogenic variant(s) in ACD that results in impaired telomere maintenance.