Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review

We report a case of volar fourth and fifth carpometacarpal (CMC) joint dislocation complicated by a hamate hook fracture. The CMC joint was reduced in a closed fashion and temporally fixed with Kirschner wires. Using intraoperative computed tomography, the displaced fracture of the hamate hook was r...

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Main Authors: Natsumi Saka, Hirotada Matsui, Hideki Tsuji
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Case Reports in Orthopedics
Online Access:http://dx.doi.org/10.1155/2020/6301692
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author Natsumi Saka
Hirotada Matsui
Hideki Tsuji
author_facet Natsumi Saka
Hirotada Matsui
Hideki Tsuji
author_sort Natsumi Saka
collection DOAJ
description We report a case of volar fourth and fifth carpometacarpal (CMC) joint dislocation complicated by a hamate hook fracture. The CMC joint was reduced in a closed fashion and temporally fixed with Kirschner wires. Using intraoperative computed tomography, the displaced fracture of the hamate hook was reduced by open reduction and internal fixation and fixed with a screw. We suggest that this rare injury was caused by the over contraction of the flexor carpi ulnaris and avulsion force from the ligamentous structure around the pisiform, hamate, and metacarpal bones.
format Article
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institution Kabale University
issn 2090-6749
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language English
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spelling doaj-art-0c09d0f92c6f48cfb7846ec43de925ee2025-02-03T06:43:41ZengWileyCase Reports in Orthopedics2090-67492090-67572020-01-01202010.1155/2020/63016926301692Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature ReviewNatsumi Saka0Hirotada Matsui1Hideki Tsuji2Orthopaedic Trauma Center, Sapporo Tokushukai Hospital, Sapporo, Hokkaido, JapanOrthopaedic Trauma Center, Sapporo Tokushukai Hospital, Sapporo, Hokkaido, JapanOrthopaedic Trauma Center, Sapporo Tokushukai Hospital, Sapporo, Hokkaido, JapanWe report a case of volar fourth and fifth carpometacarpal (CMC) joint dislocation complicated by a hamate hook fracture. The CMC joint was reduced in a closed fashion and temporally fixed with Kirschner wires. Using intraoperative computed tomography, the displaced fracture of the hamate hook was reduced by open reduction and internal fixation and fixed with a screw. We suggest that this rare injury was caused by the over contraction of the flexor carpi ulnaris and avulsion force from the ligamentous structure around the pisiform, hamate, and metacarpal bones.http://dx.doi.org/10.1155/2020/6301692
spellingShingle Natsumi Saka
Hirotada Matsui
Hideki Tsuji
Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
Case Reports in Orthopedics
title Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
title_full Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
title_fullStr Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
title_full_unstemmed Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
title_short Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review
title_sort volar dislocation of the fourth and fifth carpometacarpal joint associated with hamate hook fracture a case report and literature review
url http://dx.doi.org/10.1155/2020/6301692
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