Ossifying fibromyxoid tumor resembling parosteal osteosarcoma.
case_report · Level V
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Abstract
Ossifying fibromyxoid tumor (OFMT) is a rare soft tissue neoplasm which varies in the amount of bone tissue laid down. We report on a case of OFMT in a 59-year-old male which mimicked a large parosteal osteosarcoma on radiography, MRI, and CT. T1-weighted MR images showed high-intensity areas which reflected fatty marrow. The metaplastic bone was connected to the cortex of the femur, but the tumor did not involve the medullary cavity. The tumor was irradiated and the patient was administered chemotherapy. Wide excision of the tumor and hip rotation plasty was performed. The patient has been disease free for 18 months.
Medical subject headings
- Bone Neoplasms
- Fibroma, Ossifying
- Osteosarcoma, Juxtacortical
Anatomy
- femur