Posterior interosseous nerve palsy secondary to rheumatoid cyst of the elbow joint: case report.
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.
Minami
Michio
M
Hokkaido Orthopaedic Memorial Hospital, 7-13 Hiragishi, Toyohira-ku, Sapporo 062-0937, Japan. mminami@abox6.so-net.ne.jp
Kato
Sadatoshi
S
Kondo
Makoto
M
Funakoshi
Tadanao
T