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KMID : 1134120110140030237
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Journal of Breast Cancer
2011 Volume.14 No. 3 p.237 ~ p.240
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Borderline Phyllodes Tumor with an Incidental Invasive Tubular Carcinoma and Lobular Carcinoma In Situ Component: A Case Report
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Sean Quinlan-Davidson
Nicole Hodgson
Leela Elavathil
Tang Shangguo
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Abstract
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Phyllodes tumors are an infrequent breast tumor presentation. A phyllodes tumor with a synchronous invasive ductal carcinoma is rarely described and has never been reported with lobular carcinoma in situ component. A 53-year-old female presented with a nine-year history of twice core biopsy proven fibroadenoma. After an increase in the tumor’s growth velocity it was decided upon to undergo an excisional biopsy. Microscopic examination of the well-circumscribed pale-tan mass found focal areas of leaf like architecture with variable number of mitoses present, representing a phyllodes tumor of borderline malignant potential. Incidentally, at one edge of the mass was found a tubular carcinoma and lobular carcinoma in situ components. Thorough, routine follow-up of patients with biopsy proven benign breast masses is important to finding a masked malignant component.
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KEYWORD
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Breast neoplasms, Breast screening, Fibroepithelial tumor, Mammography
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