The correct answer is:
Panner in (1927) first described this lesion in capitellum and he felt it was similar to Perthe's disease of hip, but we now know that this is almost always a traumatic overuse syndrome. There also may be rare idiopathic cases of osteochondrosis which are similar to Perthes of the hip.
Go to Next Question Module, Go to Case Presentation Home Page, Orthopaedic Department Home Page.