Diffuse osteochondrosis of the patella.
D001265:Athletic Injuries / Q000000981:diagnostic imaging* / Q000628:therapy; D002648:Child; D006801:Humans; D008297:Male; D010007:Osteochondritis / Q000000981:diagnostic imaging* / Q000628:therapy; D010329:Patella / Q000000981:diagnostic imaging; D011859:Radiography