Report of Two Cases with Simultaneously Detected Tubular Carcinoma and Phyllodes Tumor of the Breast

Tubular carcinoma (TC) is a subtype of invasive breast carcinoma with better prognosis, and phyllodes tumors (PT) are rare fibroepithelial lesions. Accurate preoperative pathological diagnosis allows for correct surgical planning and avoidance of reoperation for these breast neoplasms. A database was created by analyzing the archives of Department of General Surgery of the İstanbul Faculty of Medicine between September 2006 and November 2017, and a total of 105 PTs and 55 TCs were collected. Two cases with concurrence of TC and PT were identified and examined in detail. The first patient was a 33-year-old woman with a 20×12 mm2 TC and a 65×32 mm2 malignant PT in the left breast. The second patient was a 28-year-old woman with two masses in the right breast. The first mass was 38×16 mm2 on the upper outer quadrant, and the second mass was 10×8 mm2 in size in the lower inner quadrant, accompanied by a 16×10 mm2 TC and a 33×26 mm2 borderline PT. Both cases were treated by mastectomies due to patient's decisions or insufficient margin control. This study extrapolated that if two tumors are detected simultaneously, margin control can become more difficult, and breast-conserving surgery should be thoroughly reviewed.

Abstract licence: CC BY-NC-ND

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