title: Posterior interosseous nerve palsy secondary to rheumatoid cyst of the elbow joint: case report.
abstract: A 73-year-old woman with rheumatoid arthritis had lost the ability to extend the digits on her right hand. A rheumatoid cyst in the elbow caused the posterior interosseous nerve palsy. Decompression was performed, and she recovered extension of the thumb and fingers completely within 3 weeks after the operation.
authors.affiliation: Hokkaido Orthopaedic Memorial Hospital, 7-13 Hiragishi, Toyohira-ku, Sapporo 062-0937, Japan. mminami@abox6.so-net.ne.jp
authors.forename: Michio
authors.initials: M
authors.lastname: Minami
authors.forename: Sadatoshi
authors.initials: S
authors.lastname: Kato
authors.forename: Makoto
authors.initials: M
authors.lastname: Kondo
authors.forename: Tadanao
authors.initials: T
authors.lastname: Funakoshi