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Treatment of Brain Metastases: Past, Present and Future Directions | OMICS International | Abstract
ISSN: 2155-9619

Journal of Nuclear Medicine & Radiation Therapy
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Review Article

Treatment of Brain Metastases: Past, Present and Future Directions

Ameer L Elaimy1,2, John J Demakas1,3, Alexander R Mackay1,4, Wayne T Lamoreaux1,2, Robert K Fairbanks1,2, Barton S Cooke1 and Christopher M Lee1,2*

1Gamma Knife of Spokane, 910 W 5th Ave, Suite 102, Spokane, WA 99204, USA

2Cancer Care Northwest, 910 W 5th Ave, Suite 102, Spokane, WA 99204, USA

3Spokane Brain & Spine, 801 W 5th Ave, Suite 210, Spokane, WA 99204, USA

4MacKay & Meyer MDs, 711 S Cowley St, Suite 210, Spokane, WA 99202, USA

Corresponding Author:
Christopher M Lee, MD
Gamma Knife of Spokane and Cancer Care Northwest
601 S. Sherman, Spokane, WA 99202, USA
Tel: (509) 228-1000
Fax: (509) 228-1183
E-mail: [email protected]

Received Date: December 01, 2011; Accepted Date: January 24, 2012; Published Date: January 27, 2012

Citation: Elaimy AL, Demakas JJ, Mackay AR, Lamoreaux WT, Fairbanks RK, et al. (2012) Treatment of Brain Metastases: Past, Present and Future Directions. J Nucl Med Radiat Ther S2:002. doi:10.4172/2155-9619.S2-002

Copyright: © 2012 Elaimy AL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Brain metastases are the most frequently observed cancerous lesions in the brain and their incidence has grown as advances in imaging technologies and the treatment of extracranial disease has allowed the life expectancy of cancer patients to increase. For this reason, determining optimal treatment regimens for specific subsets of patients with brain metastases is imperative for clinicians. The purpose of this article is to review the randomized controlled trials analyzing patients with brain metastases treated with neurosurgery, WBRT, and SRS to determine future research directions for physicians and scientists. For patients who have a Karnofsky Performance Status (KPS) ≥70 and a single, surgically accessible brain metastasis, surgical resection followed by post-operative WBRT has proven to be a superior treatment modality when compared to WBRT alone and surgical resection alone. Evidence suggests that the addition of WBRT to SRS results in increased levels of survival for patients who have a single brain metastasis and increased levels of local tumor control for patients who have 1 to 4 brain metastases. Questions remain regarding survival and tumor control in patients treated with SRS with or without WBRT, which warrants further clinical investigation into this controversial matter. Although several randomized controlled trials have been published assessing the clinical outcomes of patients with brain metastases treated with a variety of treatment modalities, many studies are limited by poor patient accrual and further randomized evidence is needed to guide clinicians in their future treatment decisions.

Keywords

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