Multidisciplinary management of colorectal brain metastases: A retrospective study

Tim J. Kruser, Samuel T. Chao, Paul Elson, Gene H. Barnett, Michael A. Vogelbaum, Lilyana Angelov, Robert J. Weil, Robert Pelley, John H. Suh

Research output: Contribution to journalArticlepeer-review

64 Scopus citations


BACKGROUND. The incidence of brain metastases (BM) from colorectal cancer (CRC) is increasing, and the management of this previously rare complication at a single institution is reported. METHODS. The records of all patients with BM from 1994 to 2005 were reviewed, and 49 patients (33 men, 16 women) with 102 BM from CRC were identified. Associations between patient and tumor characteristics, treatment modality, and survival were assessed. RESULTS. The median age at diagnosis of BM from CRC was 66 years. Forty patients (82%) had other systemic disease. The median survival after a diagnosis of BM from CRC was 5.1 months. Fifteen patients (31%) underwent surgery at some point, 14 patients (29%) underwent stereotactic radiosurgery (SRS), and 42 patients (86%) received whole-brain radiotherapy during their management. Seven patients (14%) underwent upfront SRS. On multivariate analysis, a longer interval from diagnosis of CRC to diagnosis of BM was associated significantly with shorter survival (p = .01). Sex, Karnofsky performance status, tumor location, recursive partitioning analysis class, and initial treatment modality did not have an impact on survival. CONCLUSIONS. Because BM from CRC are a late-stage phenomenon, the majority of patients in the current study had other systemic involvement, and survival after CNS involvement was poor. The results indicated that a high prevalence of systemic disease limits the proportion of patients who are strong candidates for upfront SRS, thereby limiting the impact that this modality has on outcomes in this population as a whole. Late development (>1 year after the primary tumor diagnosis) of CNS involvement may predict for poorer survival after therapy for patients with BM from CRC.

Original languageEnglish (US)
Pages (from-to)158-165
Number of pages8
Issue number1
StatePublished - Jul 1 2008


  • Brain metastases
  • Colorectal cancer
  • Retrospective analysis
  • Stereotactic radiosurgery

ASJC Scopus subject areas

  • Oncology
  • Cancer Research


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