| Congenital muscular dystrophy type 1D large gene mutation (MDC1D) is an autosomal recessive congenital muscular dystrophy with intellectual disabilities and structural brain abnormalities. It is part of a group of similar disorders resulting from defective glycosylation of alpha-dystroglycan, collectively known as dystroglycanopathies. Clinical features include severe intellectual disability, hypotonia, developmental delay, contractures, and muscle degeneration. |
