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Pleomorphic fibrohistiocytoma of the breast: a potential pitfall in breast biopsy interpretation
H D Friedman1, N J Gonchoroff, D B Jones
1Department of Pathology, Department of Veterans Affairs, Medical Center, Syracuse, NY 13210.
Abstract:
We describe a benign mammary mesenchymal tumour with atypical stromal giant cells in the contralateral breast of a 66-year-old woman with infiltrating ductal carcinoma. The clinical, morphological and immunohistochemical features of this tumour suggest a pleomorphic variant of fibrous histiocytoma. This benign lesion represents a possible pitfall in breast pathology when interpreting a frozen section or fine needle aspiration biopsy.

