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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).
Chondrosarcoma pseudotumor (Giant bone island) - Pelvis - CT scan
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Chondrosarcoma pseudotumor (Giant bone island) - Pelvis - CT scan
  • Case ID: 695
  • Diagnosis: Chondrosarcoma pseudotumor (Giant bone island)
  • Category: Pseudotumors
  • Category Type: Chondroid-forming
  • Category Sub Type: Benign
  • Location: Pelvis
  • Age: 64
  • Sex: M
  • Treatment: Total hip arthroplasty
  • Image ID: 3887
  • Image Type: CT scan
  • Images relating to this case: 3886 , 3887.

IMAGE DESCRIPTION:
CT scan taken prior to the total hip arthroplasty shows a heavily calcified, lobulated, intramedullary tumor filling the supraacetabular portion of the hip. It looks like a low-grade chondrosarcoma but also has the characteristic appearance of a giant bone island. This patient was taken to the operating room for a total hip replacement at which time the lesion in the supra-acetabular area was found to be a hard bone island, with no evidence of calcification.

 

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