Follow up XR of right femur: Cortical expansion of the diaphysis of the femur with some apparent callus formation. There is also a small lytic area in the lateral aspect of the femoral shaft.
Right thigh MRI: medullary edema and periosteal thickening involving the lateral aspect of the right mid femoral diaphysis.
CT Scan of the right thigh: An oval radiolucent nidus surrounded by a dense reactive zone visible in the femoral cortex.
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