Fracture-dislocation of the base of the fifth metacarpal associated with injury to the deep motor branch of the ulnar nerve: a case report.
Traumatic neuropraxia of the deep motor branch of the ulnar nerve after a fracture-dislocation of the fifth metacarpal is reported. Salient anatomy is discussed and the diagnostic tests necessary to identify this lesion are described. Residual effects of the injury consisted of only a mild wasting of the first dorsal interosseous muscle. The patient had complete functional recovery 4 months after the initial injury.
D050723:Fractures, Bone / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy*; D006801:Humans; D004204:Joint Dislocations / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy*; D008297:Male; D008663:Metacarpus / Q000000981:diagnostic imaging / Q000293:injuries* / Q000601:surgery; D008875:Middle Aged; D011859:Radiography; D014459:Ulnar Nerve / Q000000981:diagnostic imaging / Q000293:injuries*