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A 42-year-old man reports the recent onset of right hip pain. A radiograph and MRI scan are shown in Figures 38a and 38b. A WBC count, erythrocyte sedimentation rate, and hip aspiration are within normal limits. Management should now consist of
biopsy of the femoral head.
protected weight bearing and observation.
total hip arthroplasty.
percutaneous cannulated pin fixation of the femoral neck.
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A 58-year-old man reports a 2-month onset of groin pain with no history of trauma. Examination reveals that range of motion of the hip is mildly restricted, and he has pain with both weight bearing and at rest. An MRI scan is shown in Figure 20. Treatment should consist of
protected weight bearing and anti-inflammatory drugs.
core decompression of the femoral head.
vascularized free fibular grafting to the femoral head.
bipolar hemiarthroplasty of the hip.