Isolated palmar dislocation of the fifth carpometacarpal joint: a case report of rare injury

Abstract

Isolated fifth carpometacarpal joint dislocation is a very rare injury1 but among the carpometacarpal joint dislocation, fifth carpometacarpal joint most commonly affected than others. Usually displace dorsally. Carpometacarpal joint dislocation usually occurs in polytrauma patients and associated with fracture of metacarpal bones. The dislocation can be missed to diagnosis, so careful examination and attention should be need. H/O Fall, blow or RTA are predisposing causes. Young male persons are more affected. Average age 30 years of 12 reported cases. Right hand are commonly involved.1–8