Abstract
Synostosis of carpal bones originates from lack of cavitation at the site of the future joint space with subsequent chondrification and ossification during the 4th to 8th weeks of intrauterine life. It is mostly seen as a chance finding discovered on radiographs. These coalitions are often asymptomatic, but can give complaints after trauma. We report six patients with different congenital carpal coalitions. These cases include synostoses of: scaphoid and trapezium, scaphoid and trapezium with a large scapholunate distance, lunate and triquetrum, capitate and trapezoid, capitate and hamate, triquetrum and pisiform. We also give a review of the literature and treatment proposal.
Highlights
Synostosis of carpal bones is a congenital or acquired anomaly
We report six patients with different congenital carpal coalitions
Congenital carpal coalition originate from lack of cavita
Summary
Synostosis of carpal bones is a congenital or acquired anomaly. It is a chance finding discovered on radiographs obtained for other reasons [1]. Carpal synostoses occurs in about 0.1% of the population [2]. Congenital coalitions are considered to be a failure of differentiation. It may be transmitted as an autosomal dominant disorder [1,3,4]. We describe six cases of patients with different carpal synostoses as well as a review of the literature and treatment proposal
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