Chondral and osteochondral fractures.
D003937:Diagnosis, Differential; D005264:Femoral Fractures / Q000601:surgery*; D005592:Fracture Fixation; D006801:Humans; D007718:Knee Injuries / Q000175:diagnosis* / Q000601:surgery*; D010007:Osteochondritis / Q000175:diagnosis* / Q000209:etiology*; D010329:Patella / Q000601:surgery*; D011859:Radiography; D013585:Synovitis / Q000209:etiology