Korean J Sports Med.  2015 Dec;33(2):139-142. 10.5763/kjsm.2015.33.2.139.

Misdiagnosed Handlebar Palsy: Giant Cell Tumor of the Tendon Sheath in Guyon's Canal

Affiliations
  • 1Department of Orthopedic Surgery, Kyung Hee University School of Medicine, Seoul, Korea. dukech@khmc.or.kr

Abstract

Ulnar tunnel syndrome (UTS) is a compressive neuropathy of the upper extremity that shows various clinical symptoms according to the anatomic region of the compression site. Numerous factors may cause UTS, and most publications are case reports describing various etiologies; thus, obtaining a correct diagnosis is often challenging. Giant cell tumor of the tendon sheath (GCTTS) is well described to be a common benign soft tissue tumor of the hand; however, it is rarely reported to cause UTS. We report a case of GCTTS in Guyon's canal causing UTS that was misdiagnosed as handlebar palsy.

Keyword

Ulnar neuropathies; Ulnar nerve compression syndromes; Giant cell tumors
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