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Osteoid osteoma - Distal femur - X-ray
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Osteoid osteoma - Distal femur - X-ray
  • Case ID: 14
  • Diagnosis: Osteoid osteoma
  • Category: Bone Tumors
  • Category Type: Osteoid-forming
  • Category Sub Type: Benign
  • Location: Distal femur
  • Sub Location: Intracortical
  • Age: 16
  • Sex: M
  • Treatment: Observation
  • Image ID: 1037
  • Image Type: X-ray

AP radiograph of the distal femur of a 16-year-old boy with a multifocal nidus of an osteoid osteoma. There is an inflammatory halo extending out a distant of 1 cm with considerable subperiosteal new bone formation that, because of the age of the patient and location of the lesion, could confuse the diagnosis with osteogenic sarcoma .


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