[Ball and socket ankle associated with congenital synostosis of the tarsus. Report of a case (author's transl)].

The author describes a case of ball and socket ankle joint in a man aged 30 years. The deformity was associated with a congenital synostosis between the talus and calcaneus, absence of the fifth toe and 2 centimetres of shortening of the limb. The literature is reviewed.