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Eur J Cancer. 2009 Feb;45(3):400-4. doi: 10.1016/j.ejca.2008.10.033. Epub 2008 Dec 4.

Whole brain radiotherapy plus stereotactic radiosurgery (WBRT+SRS) versus surgery plus whole brain radiotherapy (OP+WBRT) for 1-3 brain metastases: results of a matched pair analysis.

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Department of Radiation Oncology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, D-23538 Luebeck, Germany.


This study is the first one to compare WBRT+SRS to OP+WBRT for 1-3 brain metastases. Survival (OS), intracerebral control (IC) and local control (LC) of the treated metastases were retrospectively evaluated in 52 patients undergoing WBRT+SRS and in 52 patients undergoing OP+WBRT. Both groups were matched for WBRT schedule, age, gender, performance status, tumour, number of brain metastases, extracerebral metastases, RPA class and interval from tumour diagnosis to WBRT. One-year OS was 56% after WBRT+SRS and 47% after OP+WBRT (p=0.034). One-year IC was 66% and 50% (p=0.003). One-year LC was 82% and 66% (p=0.006). On multivariate analyses, it was found that improved OS was associated with younger age (p=0.044), no extracerebral metastases (p<0.001), RPA class 1 (p<0.001) and longer interval from tumour diagnosis to WBRT (p=0.001). IC was associated with younger age (p=0.002) and longer interval (p=0.004); WBRT+SRS achieved borderline significance (p=0.052). Improved LC was associated with longer interval (p=0.017); WBRT+SRS showed a trend (p=0.09). WBRT+SRS appears at least as effective as OP+WBRT.

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