Related Experiment Video

Updated: Jan 31, 2026

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
05:12

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The Efficacy of Gamma Knife Radiosurgery for Cavernous Malformations: A Meta-Analysis and Review

Rong Wen1, Yifeng Shi1, Yuan Gao1

  • 1Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, People's Republic of China.

World Neurosurgery
|December 25, 2018
PubMed

Insights

Gamma knife radiosurgery (GKRS) effectively reduces hemorrhage rates in patients with cerebral cavernous malformations. While GKRS offers benefits, particularly for deep-seated lesions, potential neurological side effects should be considered.

Area of Science:

  • Neurosurgery
  • Radiation Oncology
  • Medical Imaging

Background:

  • Cerebral cavernous malformations (CCMs) are vascular anomalies that can lead to hemorrhage.
  • Gamma knife radiosurgery (GKRS) is a minimally invasive treatment option for certain brain lesions.

Purpose of the Study:

  • To evaluate the clinical efficacy of GKRS in treating cerebral cavernous malformations.
  • To assess the impact of GKRS on hemorrhage rates and associated complications.

Main Methods:

  • A meta-analysis was conducted using data from PubMed, Ovid Embase, and Ovid Medline.
  • The primary outcome measure was the hemorrhage rate before and after GKRS.

Main Results:

  • Nine studies were included, demonstrating a significant reduction in hemorrhage rates post-GKRS.
  • The risk ratio for hemorrhage was substantially lower after GKRS compared to pre-treatment levels.
  • Neurological deficits were the most frequent complication associated with GKRS.

Conclusions:

  • GKRS appears beneficial for cerebral cavernous malformations, especially surgically inaccessible ones.
  • The treatment reduces annual hemorrhage rates in the short and long term.
  • Patients may experience radiation-related side effects, necessitating careful monitoring.
Abstract

Keywords:
CMsCavernous malformationsGKRSGamma knife radiosurgeryRe-hemorrhage rate

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