E-ISSN 2587-0831
Case Report
Periductal Stromal Tumor of the Breast: A Case Report and Review of the Literature
1 Department of Pathology, Marmara University Hospital, İstanbul, Turkey  
2 Department of Radiology, Marmara University Hospital, İstanbul, Turkey  
Eur J Breast Health 2016; 12: 133-136
DOI: 10.5152/tjbh.2016.2889
Key Words: Breast neoplasm, periductal stromal tumor, ultrasound, mammography

We present a woman aged 50 years who underwent a Tru-cut biopsy for a BI-RADS 4 lesion on her right breast and received a histopathology diagnosis of a fibroadenoma. In her one year follow-up, the lesion had progressed and she underwent an excisional biopsy. Her final diagnosis was a periductal stromal tumor. Periductal stromal tumor is an extremely rare and different entity from phylloides tumor, which makes appropriate diagnosis difficult in Tru-cut biopsy and care should be taken. Lesion progression of should require a re-biopsy. Their tendency to recur warrants follow-up. We believe that radiologic, pathologic, and clinical correlation is key in decision-making and diagnosis of these tumors.

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