• Breast · Oct 2014

    Excision alone for small size ductal carcinoma in situ of the breast.

    • Haeyoung Kim, Jae Myoung Noh, Doo Ho Choi, Jihye Lee, Seok Jin Nam, Jeong Eon Lee, Won Park, and Seung Jae Huh.
    • Department of Radiation Oncology, Hallym University Dongtan Sacred Heart Hospital, South Korea.
    • Breast. 2014 Oct 1; 23 (5): 586-90.

    AbstractThis study was performed to determine the risk of tumor recurrence after local excision alone in patients with small size (≤1 cm) ductal carcinoma in situ (DCIS) of the breast. We have treated 107 patients who had DCIS measuring ≤1 cm with margin widths of ≥0.3 cm with excision alone per institutional protocol. With a median follow-up time of 58 months, 4 patients developed ipsilateral breast tumor recurrence (IBTR). Two of the 4 recurrences were invasive, whereas 2 were DCIS. The 5-year rate of IBTR was 6.1%. The patients with resection margin of <1.0 cm had significantly higher rate of IBTR than the patients with resection margin of ≥1.0 cm (23.1% vs. 1.5% at 5-year, p < 0.01). In conclusion, radiotherapy is necessary in the patients with resection margin of <1.0 cm after excision alone because of the substantial risk of IBTR.Copyright © 2014. Published by Elsevier Ltd.

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