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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).
Osteoid osteoma - Distal femur - X-ray
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Osteoid osteoma - Distal femur - X-ray
  • Case ID: 13
  • Diagnosis: Osteoid osteoma
  • Category: Bone Tumors
  • Category Type: Osteoid-forming
  • Category Sub Type: Benign
  • Location: Distal femur
  • Sub Location: Intracortical
  • Age: 11
  • Sex: M
  • Treatment: Observation
  • Image ID: 1035
  • Image Type: X-ray
  • Images relating to this case: 1035, 1036 .

AP radiograph of the distal femur of an 11-year-old boy with an 11 mm nidus on the surface of the lateral metaphysis of the distal femur. The sclerotic response proximally could confuse the diagnosis with an osteosarcoma.


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