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Coffin-Siris syndrome MeSH Supplementary Concept Data 2025
A hereditary autosomal recessive neurodevelopmental syndrome with broad phenotypic and genetic variability. Affected individuals generally have intellectual disability, coarse facial features, HYPERTRICHOSIS, and hypoplastic or absent fifth fingernails or toenails. Other abnormalities include PTOSIS; CHOANAL ATRESIA, cardiac defects, and genital anomalies. Mutations in components of the SWI/SNF CHROMATIN REMODELING complex have been identified. OMIM: 135900