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01.12.2019 | Research article | Ausgabe 1/2019 Open Access

BMC Cancer 1/2019

Outcomes of immediate oncoplastic surgery and adjuvant radiotherapy in breast cancer patients

BMC Cancer > Ausgabe 1/2019
Kai Joachim Borm, Christine Schönknecht, Andrea Nestler, Markus Oechsner, Birgit Waschulzik, Stephanie Elisabeth Combs, Stefan Münch, Markus Niemeyer, Marciana Nona Duma
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Oncoplastic surgery techniques lead to a rearrangement of the breast tissue and impede target definition during adjuvant radiotherapy (RT). The aim of this study was to assess local control rates after immediate oncoplastic surgery and adjuvant RT.


This study comprises 965 patients who underwent breast-conserving therapy and adjuvant RT between 01/2000 and 12/2005. 288 patients received immediate oncoplastic surgery (ONC) and 677 patients breast-conserving surgery only (NONC). All patients were treated with adjuvant external tangential-beam RT (total dose: 50/50.4 Gy; fraction dose 1.8/2.0 Gy). An additional boost dose of 10–16 Gy to the primary tumor bed was given in 900 cases (93.3%). Local control rates (LCR), Progression free survival (PFS) and overall survival (OS) were assessed retrospectively after a median follow-up period of 67 (Q25-Q75: 51–84) months.


No significant difference was found between ONC and NONC in regard to LCR (5-yr: ONC 96.8% vs. NONC 95.3%; p = 0.25). This held also true for PFS (5-yr: ONC 92.1% vs. NONC 89.3%; p = 0.09) and OS (5-yr: ONC 96.0% vs. NONC 94.8%; p = 0.53). On univariate analyses G2–3 (p = 0.04), a younger age (p = 0.01), T-stage (p < 0.01) lymph node involvement (p < 0.01) as well as triple negative tumors (p < 0.01) were identified as risk factors for local recurrence. In a propensity score stratified Cox-regression model no significant impact of oncoplastic surgery on local control rate was found (HR: 2.05, 95% CI [0.93; 4.51], p = 0.08).


Immediate oncoplastic surgery seems not to affect the effectiveness of adjuvant whole breast RT on local control rates in breast cancer patients.
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