The extensor indicis brevis muscle with an unusual ganglion.
D000328:Adult; D003560:Cysts / Q000150:complications* / Q000601:surgery; D006225:Hand / Q000601:surgery; D006228:Hand Deformities, Congenital; D006801:Humans; D008297:Male; D009132:Muscles / Q000002:abnormalities* / Q000601:surgery; D009135:Muscular Diseases / Q000150:complications* / Q000601:surgery