• Rupert Bartsch, Sabine Fromm, Margaretha Rudas, Catharina Wenzel, Stefanie Harbauer, Karl Roessler, Klaus Kitz, Guenther G Steger, Hajo-Dirk Weitmann, Richard Poetter, Christoph C Zielinski, and Karin Dieckmann.
• Department of Radiotherapy and Radiobiology, Medical University of Vienna, Vienna, Austria.
• Radiother Oncol. 2006 Sep 1; 80 (3): 313-7.

BackgroundBrain metastases have evolved from a rare to a frequently encountered event in advanced breast cancer due to advances in palliative systemic treatment.Patients And MethodsAll Patients treated at our centre from 1994 to 2004 with WBRT for brain metastases from breast cancer were included. We performed a multivariate analysis (Cox regression) to explore which factors are able to influence significantly cerebral time to progression (TTP) and overall survival (metastatic sites [visceral versus non-visceral], Karnofsky performance score [KPS], age, intensified local treatment [boost irradiation, neuro-surgical resection] further systemic treatment).ResultsOverall 174 patients, median age 51 years, range 27-76 years, were included. Median TTP was 3 months (m), range 1-33+ m. Median overall survival was 7 m, range 1-44 m. Factors significantly influencing TTP were KPS (p = 0.002), intensified local treatment (p < 0.001), and palliative systemic treatment (p = 0.001). Factors significantly influencing survival were intensified local treatment (p = 0.004), metastatic sites (p = 0.008), KPS (p = 0.006), and palliative systemic treatment (p < 0.001).ConclusionAs shown by the significant influence of metastatic sites, some patients die from their advanced systemic tumour situation before they would die from cerebral progression. In other individuals however, intensified local treatment and systemic treatment appear to influence cerebral time to progression and overall survival.

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