Rare benign breast tumor
Román-Díaz, J.; Alayón-Laguer, D.óg.; Fernández Nelson, M.; Luis, B.áe.; Caceres-Perkins, W.; Conde-Sterling, D.
Boletin de la Asociacion Medica de Puerto Rico 102(2): 50-52
2010
ISSN/ISBN: 0004-4849 PMID: 20939206 Document Number: 702574
We report the case of a female patient with an incidental finding at routine mammography evaluation which consisted of a benign spindle cell tumor, namely Breast Myofibroblastoma. It is arranged in fascicles with interspersed broad bands of hyalinized collagen with variable immunohistochemical reactivity to desmin, vimentin, smooth muscle actin and CD 34. It is usually not reactive to cytokeratins and S-100 as seen in the myoepitheliomas. Recurrence of the lesion after excisional surgical procedure is not documented at medical literature. It is important to recognize the benign nature of this neoplasm to prevent extensive mutilating surgical procedures.
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