Posterior interosseous nerve palsy caused by lipoma: A case report.

Lipomas are benign soft tissue neoplasms that occur commonly in subcutaneous tissue. In rare instances they can occur in deeper planes. When occurring in the proximal forearm they can compress the posterior interosseous branch of the radial nerve resulting in an insidious onset of weakness of digital extensor muscles. A case of posterior interosseous nerve palsy from lipoma in a 58-year-old man in presented.