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Osteogenic sarcoma, parosteal - Femur - X-ray
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Osteogenic sarcoma, parosteal - Femur - X-ray
  • Case ID: 507
  • Diagnosis: Osteogenic sarcoma, parosteal
  • Category: Bone Tumors
  • Category Type: Osteoid-forming
  • Category Sub Type: Malignant
  • Location: Femur
  • Age: 13
  • Sex: M
  • Treatment: Bone graft and IM nail
  • Image ID: 3164
  • Image Type: X-ray
  • Images relating to this case: 3164, 3165 , 3166 , 3167 , 3168 , 3169 .

A 13-year-old boy presented with a tumor mass that had been growing slowly over the past two years. This radiograph of the mid-portion of the femur shows a surface-type lesion arising from the posteromedial cortex with a sclerotic reactive bone at the base but no medullary involvement. There is neoplastic bone formation above the sclerotic base that strongly suggests the diagnosis of a parosteal osteosarcoma.


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