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Tumori. 2005 Mar-Apr;91(2):163-7.

Results of whole brain radiation therapy in patients with brain metastases from colorectal carcinoma.

Author information

  • 1Department of Radiation Oncology, "A Businco" Regional Oncological Hospital, Cagliari, Italy. amichettim@yahoo.it

Abstract

AIMS AND BACKGROUND:

Carcinoma of the colon-rectum is an infrequent cause of brain metastases, constituting 1.5% of all metastatic lesions to the brain. We reviewed our experience in the treatment of brain metastases from colorectal cancer to define the efficacy of whole brain radiation therapy as a palliative measure in this setting of patients.

METHODS:

Twenty-three consecutive cases of brain metastasis from colorectal cancer treated between 1999 and 2004 were identified in the files of the Division of Radiotherapy of the A Businco Regional Oncological Hospital, Cagliari. Their records were reviewed for patient and tumor characteristics and categorized according to the RTOG RPA classes.

RESULTS:

Fifteen patients (65%) had multiple metastases. Twenty-one patients (91%) showed extracranial metastases. Fourteen patients were classified as RTOG RPA class II and 9 class III. The median radiation dose delivered was 2000 cGy in 5 fractions in one week (range, 20-36 Gy). In 14 of 20 assessable patients (70%), symptomatic improvement was observed. The median follow-up and survival time for all the patients, 12 females and 11 males, was 3 months. In 3 patients only the cause of death was the brain metastasis.

CONCLUSIONS:

Despite the disappointing survival time, external radiation therapy to the whole brain proved to be an efficacious palliative treatment for patients with multiple or inoperable brain metastasis from colorectal cancer.

PMID:
15948545
[PubMed - indexed for MEDLINE]
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