Extraskeletal osteosarcoma arising in myositis ossificans: a case report and review of the literature.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 28536749.
- Also identified by DOI 10.1007/s00256-017-2674-x.
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Abstract
We report a case of a 23-year-old female with pain and fullness in the right popliteal fossa. An MRI scan demonstrated an ossified enhancing soft tissue mass. Evaluation of the resected specimen showed a high-grade extraskeletal osteosarcoma juxtaposed to the three zones of myositis ossificans. At 1-year follow-up the patient is alive and disease free. A review of the literature purporting to document such an association failed to demonstrate a single case in which an osteosarcoma and MO with its zonal architecture co-existed.
Medical subject headings
- Knee Joint
- Magnetic Resonance Imaging
- Myositis Ossificans
- Osteosarcoma
- Soft Tissue Neoplasms
Anatomy
- knee