Bilateral congenital aplasia of the scaphoid.

A case of bilateral congenital aplasia of the carpal scaphoid bone is presented. In contrast to previously reported cases of congenital hypoplasia of the scaphoid, this case was not associated with hypoplasia or absence of thenar and forearm muscles, absence of the sesamoid bones of the thumb, abnormalities of the skeleton of the thumb ray or hypoplasia of the forearm bones.