Larsen-Johansson disease.
D000293:Adolescent; D001847:Bone Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D002114:Calcinosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D002648:Child; D003937:Diagnosis, Differential; D050723:Fractures, Bone / Q000175:diagnosis; D006801:Humans; D007103:Immobilization; D007718:Knee Injuries / Q000175:diagnosis; D008297:Male; D010329:Patella / Q000000981:diagnostic imaging; D010522:Periostitis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D011859:Radiography