A case of the periosteal osteosarcoma presenting atypical imaging findings Kosuke Tabata 1 1Department of Radiology National Hospital Organization Kyushu Cancer Center Keyword: 骨膜性骨肉腫 , 傍骨性骨肉腫 , 表在性骨肉腫 pp.179-184
Published Date 2021/2/10
DOI https://doi.org/10.18888/rp.0000001521
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A 25-year-old woman presented with swelling of her right lower leg. There was a right tibial mass with calcification but periosteal new bone formation wasn’t seen on plain X-ray images. CT and MRI showed that the calcified mass and the center of it was continuous with the bone cortex, but its margin was separated from the bone cortex. The mass was resected and the final diagnosis was periosteal osteosarcoma, but it was difficult to distinguish between periosteal osteosarcoma and parosteal osteosarcoma by the imaging findings.

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電子版ISSN 印刷版ISSN 0009-9252 金原出版