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Standard treatment options for brain metastases (BM) from colorectal cancer (CRC) are controversial. The purpose of this study was to evaluate the efficacy of multidisciplinary treatment modalities and provide optimal therapeutic strategies for selected patients with different clinical characteristics. All eligible patients diagnosed with BM from CRC during the past two decades (1997-2016) were identified in our center. Clinical characteristics, treatment modalities and relative survival were retrospectively analyzed. Median overall survival after the identification of BM was 6 months. The 1- and 2- year survival rates were 29.40% and 5.70%, respectively. On multivariate analysis, the number of BMs, Karnofsky performance score and the treatment modalities were found to be independent prognostic factors (the p-value was 0.006, 0.001 and &lt; 0.001, respectively). In conclusion, multidisciplinary treatment is supported to be the optimal treatment for patients with BM from CRC. For patients with single brain metastases and KPS &gt; 70, neurosurgery combined with chemotherapy could provide an additional survival benefit. For patients with multiple brain metastases or KPS ≤ 70, radiotherapy plus chemotherapy may be appropriate.

Treatment modalities and relative survival in patients with brain metastasis from colorectal cancer