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Juxta-articular chondroma Kaposi's Sarcoma Large cell lymphoma, Leimyosarcoma, Leiomyosarcoma, Letterer-Siwe disease, Leukemia, Low-grade intramedullary osteogenic sarcoma, Lumbosacral lipoma, Lymphangioma, Lymphangiomatosis, Lymphoma, Lymphoma pseudotumor (Actual: radiation osteitis), Lymphoma pseudotumor (Actual: stress fracture), Lymphoma with secondary osteogenic sarcoma Maffucci's Syndrome, Maligant fibrous histiocytoma pseudotumor (Actual: Hematoma), Malignant fibrous histiocytoma (MFH).
Osteogenic sarcoma, intracortical - Femur - MRI
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Osteogenic sarcoma, intracortical - Femur - MRI

IMAGE DESCRIPTION:
Axial proton density MRI shows a nidus within the cortex of the femur posteriorly measuring approximately 11 mm in diameter with an intermediate signal, quite characteristic of an intracortical osteoid osteoma. There is no evidence of dense reactive bone over the outer periphery of the nidus which is typical for intracortical osteosarcoma.

 

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