EVALUATION OF IMMUNOCYTOCHEMISTRY ON THE DIAGNOSIS OF PAPILLARY MAMMARY TUMORS BY FINE-NEEDLE ASPIRATION BIOPSY
Keywords:
intraductal papilloma, fine-needle biopsy, immunohistochemistry, Ki-67 antigen; pathologyAbstract
Purposes: This study has observed the effectiveness of the immunocytochemical method on the diagnosis of papillary lesions of the breast from fine needle aspiration biopsy (FNAB), to validate the method that would avoid unnecessary excision of small intraductal papillomas of the breast when applied to clinical practice. Methods: Medical records and FNAB examinations were analyzed from 2003 to 2012 and subsequently a immunocytochemical examination was performed with p63 myoepithelial cell marker and Ki67 proliferative index, analyzing the specificity and sensitivity of the markers in the diagnosis of papillary lesions of the breast. Results: The immunocytochemistry of the papillary breast lesions material with immunomarkers Ki67 and p63 showed sensitivity of 78.6% and specificity of 73.33% in the identification of benign lesions. Conclusions: The combined use of these markers in FNAB of papillary mammary lesions helps in the therapeutic orientation of the disease, but further studies including a larger number of cases should be performed in order to have a better evaluation of this method.
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Copyright (c) 2019 Fábio Postiglione Mansani, Marina Bertucci, Mário Rodrigues Montemór Netto, Luiz Martins Collaço, Jorge Felipe do Lago Pereira dos Santos
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