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Metaphyseal,eccentric medullary bone lesion(DD)
AP and lateral knee radiographs of a 15 yr old female with progressive knee pain. The green oval encircles a lytic, eccentric lesion involving the metaphysis of the distal femur with extension into the epiphysis. The arrow points to an incomplete periosteal reaction generated by the host bone in response to the destructive tumor. The lesion extends into the soft tissue with violation of the lateral femoral cortex. Biopsy was consistent with fibrosarcoma of bone.
AP and lateral knee radiographs of a 15 yr old female with progressive knee pain. The green oval encircles a lytic, eccentric lesion involving the metaphysis of the distal femur with extension into the epiphysis. The arrow points to an incomplete periosteal reaction generated by the host bone in response to the destructive tumor. The lesion extends into the soft tissue with violation of the lateral femoral cortex. Biopsy was consistent with fibrosarcoma of bone.
Aneurysmal Bone Cyst
Chondromyxoid Fibroma
Osteo-sarcoma
Exostoses
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