[Bilateral congenital fusion of the scaphoid and the trapezium. A case report].

Congenital synostosis has been described between nearly all of the carpal bones. It can occur in an isolated form or most commonly in relation between the lunatum and the triquetrum. It can also occur in a multiple form and be associated with other malformations. We report a rare case of scaphoid-trapezium fusion observed bilaterally in a nearly asymptomatic 63-year-old patient.