A large post-traumatic epidermoid.
D000062:Accidents, Occupational; D003560:Cysts / Q000209:etiology* / Q000601:surgery; D004387:Dupuytren Contracture / Q000209:etiology; D005384:Finger Joint / Q000473:pathology; D006230:Hand Injuries / Q000150:complications* / Q000601:surgery; D006801:Humans; D008297:Male; D008663:Metacarpus / Q000473:pathology; D008875:Middle Aged