Osteoarthritis of the metacarpophalangeal joint: hook-like osteophytes.
D000328:Adult; D000368:Aged; D005260:Female; D005384:Finger Joint; D005385:Fingers / Q000000981:diagnostic imaging; D006801:Humans; D007592:Joint Diseases / Q000473:pathology; D008297:Male; D008663:Metacarpus / Q000000981:diagnostic imaging / Q000473:pathology*; D008875:Middle Aged; D010003:Osteoarthritis / Q000473:pathology*; D011859:Radiography