• J Emerg Med · Oct 2014

    Case Reports

    Dorsal Dislocation of the Trapezoid with CARPO-METACARPAL Dislocations: A Case Report and a Description of the "Missing Carpal Sign" on Radiographs.

    • Andrew Wright and Rowena Umaar.
    • Department of Trauma & Orthopaedics, Stepping Hill Hospital, Manchester, England.
    • J Emerg Med. 2014 Oct 1;47(4):e95-7.

    BackgroundA case report of dorsal trapezoid dislocation with index and middle carpometacarpal dislocation is described.ObjectivesOn review of the literature, this rare injury is often misdiagnosed on presentation, with difficulty in reviewing initial radiographs being a key factor.Case ReportWe present our case report of trapezoid dislocation and describe the "missing carpal sign" on radiographs as an aid to suspicion of diagnosis.ConclusionTrapezoid dislocation is an often-overlooked diagnosis; we present a sign to increase suspicion of injury and hence promote further investigation.Copyright © 2014 Elsevier Inc. All rights reserved.

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