Posterior interosseous nerve syndrome caused by a bursa in the vicinity of the elbow.
A case of posterior interosseous nerve syndrome presented with difficulty in extending the metacarpophalangeal joint of the little finger. Compression was caused by a bicipital bursa. Surgical decompression led to a complete recovery.
D004550:Elbow; D005260:Female; D005385:Fingers / Q000294:innervation; D005542:Forearm / Q000294:innervation; D006801:Humans; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000209:etiology*; D013581:Synovial Cyst / Q000150:complications* / Q000601:surgery