Cutaneous metastatic malignant fibrous histiocytoma.
case_report · Level V
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Abstract
Malignant fibrous histiocytoma is the most common soft tissue sarcoma, but cutaneous metastasis of this tumor is quite rare. A 30-year-old female patient had several brownish 0.5 x 0.5-cm papules on her right ankle. Histopathologic examination revealed spindle-shaped tumor cells with cellular pleomorphism and high mitosis (5 of 10 high-power fields), suggestive of malignant fibrous histiocytoma. She had a history of left subcutaneous breast mass that was diagnosed as malignant fibrous histiocytoma 3 years earlier. We report a case of malignant fibrous histiocytoma with pleomorphism mixed with spindle-shaped cells and multinuclear giant cells, which metastasized to the skin.
Medical subject headings
- Breast Neoplasms
- Histiocytoma, Benign Fibrous
- Skin Neoplasms