A case of anterior interosseous nerve syndrome.

: Anterior interosseous nerve syndrome is a rare anomaly. The author describes a case which is of particular interest because of its iatrogenic pathogenesis and the clinical picture of isolated defect of flexor pollicis longus. The importance of electromyography is emphasized. Recovery occurred approximately 5 months after the onset of the neuropathy as a result of conservative treatment and without recourse to surgery.