Archives of the AFIP -- RadioGraphics 1997; 17: 1205-1231

Figure Legend | Panel A | Panel B | Panel C

Figure 3: High-grade intramedullary osteosarcoma of the distal femoral diaphysis in a 48-year-old man with a pathologic fracture after falling. (Panel A) Anteroposterior radiograph of the distal femur shows a transverse fracture through the largely osteoblastic lesion. (b, c) Axial T2-weighted MR image (Panel B) and photograph of the axially sectioned gross specimen (Panel C) show marrow involvement (* in b) and a large circumferential soft-tissue mass (straight arrows) encasing the superficial femoral neurovascular bundle (curved arrow). Areas of whitish tissue in the gross specimen represent osteoid formation (arrowheads in c).

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