Osteoid Osteoma of the Hamate as a Cause of Compression Neuropathy of the Ulnar Nerve in Guyon Canal (Case Report)

Abstract

Osteoid osteoma of the wrist bones is rare and its diagnostics is complicated. A clinical case of the surgical treatment of the patient with osteoid osteoma is presented. The clinical manifestations included pain, extensors tenosynovitis and neuropathy of the ulnar nerve in guyon’s canal. The diagnosis was confirmed by computer tomography, ultrasonography and electromyography. Partial resection of the hamate including pathology area, and mobilization of the ulnar nerve in the wrist enabled authors to obtain a good functional outcome.