Codman's triangles in osteosarcoma. [Musculoskeletal] [XR] [MR]
Codman's triangles in osteosarcoma. [Musculoskeletal] [XR] [MR]
7 year old with conventional (intramedullary high-grade) osteosarcoma of the femur.
X-ray shows an aggressive bone lesion with Codman's triangles and extension into the adjacent soft tissues.
MRI shows the full extent of the tumor much better - it is involving the full thickness of the femur, has much further soft tissue extension than suggested by the Codman's triangles, and even extends into the soft tissues on the other side.
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