MYBPC1-related autosomal recessive non-lethal arthrogryposis multiplex congenita syndrome

A rare arthrogryposis syndrome characterized by arthrogryposis multiplex congenita with contractures involving multiple joints of the upper and lower limbs, camptodactyly of fingers and toes, skeletal abnormalities such as scoliosis and <i>pectus excavatum</i>, as well as variable speech and motor delay and hypotonia. Facial dysmorphism includes long eyelashes, periorbital fullness, ptosis, epicanthal folds, high arched/cleft palate, and micrognathia.