Excision arthroplasty of the femoral head and neck.

An abnormality of the coxofemoral joint is recognized when the articular cartilage sliding interface between the femoral head and the acetabulum is interrupted. The article considers the pathologic conditions that may affect the normal coxofemoral articulation and are responsive to excision arthroplasty. Techniques of excision arthroplasty and the biceps femoris muscle sling technique are described.