Chul-Hyung Kang; Chul-Hyun Cho; Kyo-Wook Kim

doi:10.4055/jkoa.2012.47.1.59

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Kang, Cho, and Kim: Rupture of the Extensor Tendon Secondary to Advanced Kienböck's Disease

Case Report

Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2012; 47(1): 59-63.

Published online: 29 February 2012

DOI: https://doi.org/10.4055/jkoa.2012.47.1.59

Rupture of the Extensor Tendon Secondary to Advanced Kienböck's Disease

Chul-Hyung Kang, M.D., Ph.D., Chul-Hyun Cho, M.D., Ph.D., Kyo-Wook Kim, M.D.

Department of Orthopedic Surgery, Keimyung University School of Medicine, Daegu, Korea.

Correspondence to: Chul-Hyun Cho, M.D., Ph.D. Department of Orthopedic Surgery, Keimyung University School of Medicine, 56, Dalseong-ro, Jung-gu, Daegu 700-712, Korea. TEL: +82-53-250-7729, FAX: +82-53-250-7205, oscho5362@dsmc.or.kr

Received 1 August 2011 Revised 17 August 2011 Accepted 29 August 2011

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Rupture of the extensor tendon caused by a posteriorly displaced lunate fragment is an uncommon complication of Kienböck's disease. Thirteen cases have been reported in the English literatures, but it has never been reported in the Korean literatures. We report a case of rupture of the third and fourth extensor tendons secondary to advanced Kienböck's disease that was successfully treated by excision of the lunate and a tendon transfer.

Keywords: Kienböck's disease, extensor tendon, rupture

Figures and Tables

Figure 1

Preoperative radiographs show collapsed and fragmented lunate.

Figure 2

Computed tomograph shows fragmented lunate with displaced dorsal fragment.

Figure 3

Intraoperative photograph shows that displaced dorsal fragment of lunate pierced the wrist joint capsule (black arrow) and protruded into 4th extensor compartment. The 3rd and 4th extensor tendons were ruptured by attrition.

Table 1

Reported Cases of Extensor Tendon Rupture Secondary to Kienböck's Disease

EDC, extensor digitorum communis; ECRB, extensor carpi radialis brevis; PL, palmaris longus; EI, extensor indicis; EDM, extensor digiti minimi.

References

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