Osteochondroma of the distal phalanx.
D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D002812:Chondroma / Q000000981:diagnostic imaging / Q000473:pathology*; D005385:Fingers; D006801:Humans; D008297:Male; D009361:Neoplasm Invasiveness; D011859:Radiography