作者: Jin Hee Kim , Doo Ho Choi , Won Park , Seung Do Ahn , Su Ssan Kim
DOI: 10.1007/S10549-014-3025-4
关键词:
摘要: To estimate the effect of boost radiotherapy on local recurrence-free survival (LRFS) in patients with ductal carcinoma situ (DCIS) breast cancer. We included from nine institutions who met following criteria: having Tis, age 18 years or older, conserving surgery (BCS) and within 12 weeks after surgery. From 1995 through 2006, 728 were analyzed retrospectively by Korean Radiation Oncology Group. All received whole-breast radiation therapy (WBRT) BCS. 232 (31.9 %) also (RT) (median 10 Gy). After median follow-up 82 months, 5-year LRFS was 98.4 % 10-year 95.8 for all patients. There no statistically significant difference between no-boost groups. Nineteen (2.6 had ipsilateral recurrences, including invasive recurrence 7 DCIS. The presence HER2 receptor associated more recurrences. Nine (1.2 developed contralateral cancer, six cancer three In multivariate analysis, only margin status a prognostic factor LRFS. Boost RT not further improvement control DCIS BCS WBRT. receptor-positive may need treatment anti-HER2 agents.