Arthrogryposis, distal, type 7 (DA7)
Summary Distal arthrogryposis type 7 (DA7), often referred to as trismus-pseudocamptodactyly syndrome or Hecht syndrome, is caused by mutation in the MYH8 gene. Heredity is autosomal dominant. Large multigenerational families with several affected members have been reported. Detailed clinical description Expressivity is highly variable, although penetrance tends to be complete. Inability to open the mouth