Low-grade fibromatosis-like spindle cell carcinoma of the breast

Jessica B. Dwyer, Beth Z. Clark

Research output: Contribution to journalReview article

23 Scopus citations

Abstract

Low-grade fibromatosis-like spindle cell carcinoma is a rare tumor in the breast, and represents a variant of the very heterogeneous group of metaplastic carcinomas of the breast. These tumors warrant distinction because of their resemblance to pure fibromatosis, their propensity for local recurrence, and their favorable prognosis among the metaplastic carcinomas of the breast. The diagnosis is potentially challenging, particularly on core needle biopsies, because of the morphologic overlap with other lowgrade spindle cell lesions. Recognition of a proliferation of cytologically bland spindle cells with areas of epithelial differentiation in combination with immunohistochemistry using antibodies against cytokeratins and myoepithelial markers should aid in producing a definitive diagnosis. These tumors can be locally aggressive with an increased incidence of local recurrence, but the potential for lymph node or distant metastasis is low. Complete excision with adequate margins is considered curative in the majority of cases.

Original languageEnglish (US)
Pages (from-to)552-557
Number of pages6
JournalArchives of Pathology and Laboratory Medicine
Volume139
Issue number4
DOIs
StatePublished - Apr 1 2015

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology

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