Chondrosarcoma CT

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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.

The features seen on CT are the same as on plain film, but are simply better seen.

94% of cases demonstrate matrix calcification.
Endosteal calcification.
Cortical breach, seen in 88% of longbone chondrosarcoma.
Soft tissue mass: density increases with increased grade of tumor due to increased cellularity.
Heterogenous contrast enhancement.

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