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The Korean Journal of Cytopathology 2005;16(1): 25-30.
Cytologic Features of Pseudoangiomatous Stromal Hyperplasia of the Breast: A Case Report with Review of Literature.
Jin Sook Lee, Jee Yeon Kim, Dong Hoon Shin, Do Youn Park, Kyung Un Choi, Chang Hoon Lee, Mee Young Sol
Department of Pathology, College of Medicine, Pusan National University, Busan, Korea. artinus2000@hanmail.net
Pseudoangiomatous stromal hyperplasia(PASH) was initially described by Vuitch et al. as a benign breast lesion, consisting of mammary stromal proliferations which simulate vascular lesions, and which might be mistaken for a low-grade angiosarcoma. This condition occasionally presents as a palpable mass in postmenopausal women, but is more frequently encountered as an incidental component in premenopausal women. Clinical, radiological, and fine-needle aspiration(FNA) findings associated with this condition can mimic those observed in conjunction with a phyllodes tumor or a fibroadenoma. The cytological features of PASH are generally nonspecific, and its diagnosis by FNA cytology is fairly difficult. In this study, we report a case of PASH, manifesting as a palpable mass
Key Words: Breast; Pseudoangiomatous stromal hyperplasia; Phyllodes tumor; Fibroadenoma; Fine needle aspiration cytology