Clinical and cytopathological aspects in phyllodes tumors of the breast

Vol. 50 No. 4, 2009

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Anca Patrascu, Carmen Florina Popescu, I. E. Plesea, Adriana Badulescu, Florentina Tanase, Garofita Mateescu

The frequency of mesenchymal breast tumors is very low, being represented mostly by tumors with biphasic proliferation (phyllodes tumors) and less by other types of non-epithelial tumors. From clinical point of view, phyllodes tumors (PT) can mimic a breast carcinoma. Therefore, the preoperative diagnosis by cytological examination on material obtained by fine needle aspiration (FNA) is very important for adequate treatment of these tumors. In current study, we assessed clinical aspects of 79 phyllodes tumors regarding patient's age and localization of the tumors. In 17 out of 79 cases, it has been performed FNA within the tumors with further cytological examination on the smears obtained. The median age of the patients was 46.07-year-old, being progressively higher with grade of the tumors with significant values between benign and borderline tumors (p=0.04954) and between benign and malignant ones (p=0.02890). The distinguish on the smears of stromal fragments and naked stromal nuclei with variable grade of atypia regarding the tumoral type, in detriment of epithelial elements have been conclusive for fibroepithelial lesion as cytopathological diagnosis. The preoperative differentiation between a breast phyllodes tumor and a breast carcinoma is extremely important for avoiding of a useless radical surgery for the patient. If the fine needle aspiration was correctly performed, the accuracy of the cytodiagnosis has been 82% in current study.

Corresponding author: Carmen Florina Popescu, MD, PhD, e-mail: cpopescu67ro@yahoo.com

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