Stereotactic radiosurgery: Adjacent tissue injury and response after high-dose single fraction radiation: Part I - Histology, imaging, and molecular events

Bryan C. Oh, Paul G. Pagnini, Michael Y. Wang, Charles Y. Liu, Paul E. Kim, Cheng Yu, Michael L.J. Apuzzo

Research output: Contribution to journalReview article

33 Scopus citations

Abstract

RADIOSURGERY IS NOW the preferred treatment modality for many intracranial disease processes. Although almost 50 years have passed since it was introduced as a tool to treat neurological disease, investigations into its effects on normal tissues of the central nervous system are still ongoing. The need for these continuing studies must be underscored. A fundamental understanding of the brain parenchymal response to radiosurgery would permit development of strategies that would enhance and potentiate the radiosurgical treatment effects on diseased tissue while mitigating injury to normal structures. To date, most studies on the response of the central nervous system to radiosurgery have been performed on brain tissue in the absence of pathological lesions, such as benign tumors or metastases. Although instructive, these investigations fail to emulate the majority of clinical scenarios that involve radiosurgical treatment of specific lesions surrounded by normal brain parenchyma. This article is the first in a two-part series that addresses the brain parenchyma's response to radiosurgery. This first article analyzes the histological, radiographic, and molecular data gathered regarding the brain parenchymal response to radiosurgery and aims to suggest future studies that could enhance our understanding of the topic. The second article in the series begins by discussing strategies for radiosurgical therapeutic enhancement. It concludes by focusing on strategies for mitigation and repair of radiation-induced brain injury.

Original languageEnglish (US)
Pages (from-to)31-44
Number of pages14
JournalNeurosurgery
Volume60
Issue number1
DOIs
StatePublished - Jan 1 2007

Keywords

  • Brain parenchyma response to radiosurgery
  • Radiation change
  • Radiation injury
  • Radiation response
  • Radiobiology
  • Radiosurgery

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

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