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A 30-year-old healthy man who complained of moderate nocturnal thigh pain for four months after he underwent a bone biopsy. (A) A plain film of the femur showing laminated periosteal reaction with cortical destruction. (B, C) Magnetic resonance imaging (MRI) showing cortical destruction with bone marrow and soft tissue edematous change. (D) A plain film taken one year after the surgery showing bony union without recurrence.
