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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Unilateral premature osteoarthritis of the hip with excessive anteversion of the femoral neck developing in the early second decade: two surgical cases

Fig. 4

Radiography AP view (a: preoperation, b: postoperation, c: 1 year after surgery, d: 1.5 years after surgery). a: Irregularity of the left anterolateral femoral head and a subcartilaginous cyst are seen. Lateral center-edge, Tonnis, and Sharp’s angles (lt/rt) were 25/25, 10/10, and 45/45 degrees, respectively. There were no signs of femoroacetabular impingement. b: Immediately after surgery. c: 1 year after surgery. Joint space narrowing and femoral head osteosclerosis improved, and there was improved hip conformity. d: 1.5 years after surgery. Implant removal

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