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Rev. chil. obstet. ginecol ; 76(1): 37-41, 2011. ilus
Article in Spanish | LILACS | ID: lil-627386

ABSTRACT

El carcinoma sarcomatoide de mama es una variante histológica del carcinoma metaplásico, compuesto predominantemente por células fusiformes. Presentamos el caso de un tumor en mujer de 54 años, en que las características clínicas y de imagen sugerían un tumor maligno, y finalmente la histología y la inmuno-histoquímica confirmaron el diagnóstico de carcinoma sarcomatoide monofásico. En esta variante no es posible identificar un componente epitelial claro, por lo que plantea problemas de diagnóstico diferencial con sarcomas y otras lesiones mesenquimatosas. La demostración mediante inmunohistoquímica de la naturaleza epitelial de las células fusiformes, resultó fundamental para establecer el diagnóstico.


Sarcomatoid carcinoma of the breast is a histological variant of metaplastic carcinoma, composed predominantly of spindle cells. We report a case of a tumor in a woman of 54 years old, which suggested a clinical and radiological malignant tumor. Finally the histology and immunohistochemistry confirmed the diagnostic of monophasic sarcomatoid carcinoma. In this variant of sarcomatoid carcinoma, is not possible to identify a clear epithelial component, creating problems of differential diagnosis between sarcomas and other mesenchymal damages. The immunohistochemical demonstration of epithelial nature of the spindle cells was essential for the diagnosis.


Subject(s)
Humans , Female , Middle Aged , Breast Neoplasms/diagnosis , Carcinoma/diagnosis , Sarcoma , Breast Neoplasms/surgery , Breast Neoplasms/pathology , Immunohistochemistry , Carcinoma/surgery , Carcinoma/pathology , Diagnosis, Differential , Metaplasia
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