Jacobs Journal of Clinical Case Reports

Simultaneously Dislocation of Ulnar Side All Four Carpometacarpal Joints – A Case Report

*Appuhamy G A P K
Department Of Case Reports, United Kingdom

*Corresponding Author:
Appuhamy G A P K
Department Of Case Reports, United Kingdom
Email:godage.appuhamy@nhs.net

Published on: 2019-03-15

Abstract

Simultaneous ulnar side four carpometacarpal joints dislocations of the fingers are very rare .These injuries mainly occur in young adults and represents less than 1% of all lesions of the hand. Simultaneous CMC dislocations may be dorsal or volar. Dorsal dislocations are more frequent. The reason why dorsal dislocations are commoner is that stronger static (dorsal ligaments) and dynamic (wrist extensors) restraints may cause the failure of bone dorsally, with the frequent rupture of the volar ligaments [1, 2]. The increased mobility on the ulnar side may predispose to the known greater frequency of the injury

Keywords

Introduction

Simultaneous ulnar side four carpometacarpal joints dislocations of the fingers are very rare .These injuries mainly occur in young adults and represents less than 1% of all lesions of the hand. Simultaneous CMC dislocations may be dorsal or volar. Dorsal dislocations are more frequent. The reason why dorsal dislocations are commoner is that stronger static (dorsal ligaments) and dynamic (wrist extensors) restraints may cause the failure of bone dorsally, with the frequent rupture of the volar ligaments [1, 2]. The increased mobility on the ulnar side may predispose to the known greater frequency of the injury. The stability at the finger CMC joint is provided by a system of four ligaments, namely the dorsal metacarpal, the palmer metacarpal and the two set of interosseous ligaments [3]. CMC joint dislocations can be treated by closed reduction and immobilizations, closed reduction and internal fixation or Open reduction and internal fixation [4]. However, in case of closed reduction, there is a higher risk of radiolocations of the CMC joints, as compared to open reduction.