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CT findings by histologic subtype.
| Mineralization | Soft-tissue mass | Exostosis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Present | Peripheral | Central | Bimorphic | Present | Extracompartmental | Cortical obliteration | Necrosis | Present | Corticomedullary continuity | Cartilage cap | |
| MFH-like subtype | 6 | 6 | 2 | 6 | 7 | 7 | 7 | 2 | 2 | 1 | 1 |
| OSA-like subtype | 4 | 4 | 2 | 3 | 4 | 4 | 3 | 1 | 3 | 2 | 1 |
| SCS-like subtype | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 | 1 | 0 | 1 |
Abbreviations: malignant fibrous histiocytoma (MFH); osteosarcoma (OSA); spindle-cell sarcoma (SCS).
