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Extraskeletal osteosarcoma in the rectus abdominis muscle: a case report
Kazunori Nakayama1, Hideki Ueda1, Kento Fukaya2
1Department of Orthopedic Surgery, Japanese Red Cross Society Kyoto Daiichi Hospital, 15-749 Honmachi Higashiyama-ku, Kyoto 605-0981, Japan.
Journal of Surgical Case Reports
|April 27, 2026
Summary
Extraskeletal osteosarcoma, a rare soft tissue tumor, was diagnosed in a woman after initial misdiagnosis. Surgical resection led to a disease-free outcome, highlighting surgery
Area of Science:
- Oncology
- Pathology
Background:
- Extraskeletal osteosarcoma is a rare malignant tumor originating in soft tissues.
- It is characterized by the production of osteoid or bone matrix.
- This tumor type has a generally poor prognosis.
