Chondrosarcoma CT
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rohan A. Bhimani, M.B.B.S., D.N.B., M.Ch.[2]
Overview
On CT scan chondrosarcoma is characterized by matrix calcification, endosteal calcification, cortical breach, and heterogenous contrast enhancement.
Computerized Tomography
- CT scan confirms the x-ray findings.
- CT scan may be helpful in the diagnosis of chondrosarcoma. Findings on CT scan suggestive of chondrosarcoma include: [1][2][3][4]
- Majority of the cases demonstrate matrix calcification.
- Endosteal calcification more easily identified on CT compared to radiographs.
- Cortical breach seen in 88% of long bone chondrosarcoma.
- Deep endosteal scalloping suggests chondrosarcoma instead of enchondroma.
- Soft tissue mass: density increases with increased grade of tumor due to increased cellularity.
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References
- ↑ Peabody, Terrance (2014). Orthopaedic oncology : primary and metastatic tumors of the skeletal system. Cham: Springer. ISBN 9783319073224.
- ↑ Czerniak, Bogdan (2016). Dorfman and Czerniak’s bone tumors. Philadelphia, PA: Elsevier/Saunders. ISBN 9780323023962.
- ↑ Frassica FJ, Unni KK, Beabout JW, Sim FH (1986). “Dedifferentiated chondrosarcoma. A report of the clinicopathological features and treatment of seventy-eight cases”. J Bone Joint Surg Am. 68 (8): 1197–205. PMID 3021775.
- ↑ Björnsson J, McLeod RA, Unni KK, Ilstrup DM, Pritchard DJ (1998). “Primary chondrosarcoma of long bones and limb girdles”. Cancer. 83 (10): 2105–19. PMID 9827715.
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