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[Complications following gamma knife radiosurgery]
Qiang Zhong1, Xin Yu, Zong-hui Liu
1Department of Neurosurgery, Naval General Hospital, People's Liberation Army, Beijing 100037, China.
Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
|August 19, 2003
Summary
Gamma knife radiosurgery (GKR) can cause subacute complications, most commonly seen across five brain conditions. Risk factors include target tissue proliferation and location, but these reactions are typically reversible.
Area of Science:
- Neurosurgery
- Radiation Oncology
- Oncology
Context:
- Gamma knife radiosurgery (GKR) is a key treatment for various intracranial pathologies.
- Understanding post-treatment complications is crucial for patient management.
- Previous studies have explored GKR outcomes, but specific complication factors require further elucidation.
Purpose:
- To investigate the characteristics of complications following GKR.
- To identify factors contributing to the development of these complications.
Summary:
- A retrospective analysis of 253 patients treated with GKR for arteriovenous malformations (AVMs), meningiomas, glial neoplasms, germinomas, and metastatic cancer was performed.
- Subacute complications were the most frequent reactions observed across all five disease types.
- Significant differences in subacute complication rates were noted based on tissue response (early vs. slow), AVM location (central vs. peripheral), and meningioma location (basal vs. non-basal).
Impact:
- Subacute complications following GKR are prominent but generally reversible.
- The risk of subacute complications is associated with the proliferative capacity of target tissues and the anatomical location of the target lesion, particularly in AVMs and meningiomas.
- These findings aid in refining GKR treatment strategies and patient counseling regarding potential side effects.