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Updated: May 21, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Radiological features and pathology of extraskeletal mesenchymal chondrosarcoma
Yinyin Chen1, Ximing Wang, Lingchuan Guo
1Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou City, Jiangsu Province 215006, People's Republic of China.
Objective:
The objective of this study was to elucidate the imaging and pathological features of extraskeletal mesenchymal chondrosarcomas (EMCs).
Methods:
Imaging findings of eight EMC cases were retrospectively analyzed.
Results:
Soft tissue masses with different patterns of mineralization were found in five cases on computed tomographic scans. On magnetic resonance images, peripherally located EMCs demonstrated mixed signal intensity on T2-weighted images and heterogeneous enhancement with both calcified and noncalcified areas.
Conclusion:
EMCs exhibited several characteristic imaging features, which when used in combination with the mineralization pattern, enhancement of the calcified area, and signal intensity feature might have diagnostic value for this rare tumor.
