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Fifty percent patients avoid whole brain radiotherapy: stereotactic radiotherapy for multiple brain metastases: a retrospective analysis of a single center



Fifty percent patients avoid whole brain radiotherapy: stereotactic radiotherapy for multiple brain metastases: a retrospective analysis of a single center



Clinical and Translational Oncology 14(8): 599-605



To summarize the outcomes of stereotactic radiotherapy (SRT), with or without whole-brain radiotherapy (WBRT), in the treatment of multiple brain metastasis and to explore the status of WBRT and SRT in the management of multiple brain metastasis. From May 1995 to April 2010, 98 patients with newly diagnosed, multiple brain metastasis were treated in our center. Forty-four patients were treated with SRT alone for the initial treatment, and 54 were treated with SRT + WBRT. Kaplan-Meier and Cox proportional hazards regression analyses were used for the survival analysis. The median survival time (MST) was 13.5 months. No difference was observed in MST between the SRT and the SRT + WBRT groups (p = 0.578). The Karnofsky Performance Score at the time of treatment (p = 0.025), the interval time between diagnosis of primary tumor and brain metastasis (P = 0.012) and the situation of extracranial disease (p = 0.018) were significant predictors of survival. The crude distant intracranial recurrence (DIR) rates were 47.7 % in the SRT group and 24.1 % in the SRT + WBRT group (p = 0.018). In addition, 52.3 % patients in the SRT group were free from DIR and did not require WBRT in their whole lives. Our data suggest that use of SRT as the initial treatment while reserving WBRT as the salvage therapy in case of distant intracranial recurrence made about 50 % of the patients avoid WBRT throughout the course of their lives and may be another optional treatment modality for multiple brain metastases.

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Accession: 036502917

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PMID: 22855144

DOI: 10.1007/s12094-012-0849-4


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