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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
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Radiosurgery in cerebral tumours and AVM
1Institute of Neurosurgery of the University, Rome, Italy.
Acta Neurochirurgica. Supplementum
|January 1, 1988
Summary
Stereotactic irradiation offers effective treatment for brain tumors and arteriovenous malformations (AVMs), minimizing brain damage compared to conventional radiotherapy. Neurosurgery remains essential, particularly for smaller targets, enhancing radiosurgery
Area of Science:
- Neurosurgery
- Radiation Oncology
- Neuroradiology
Background:
- Stereotactic irradiation has emerged as a significant treatment modality for various intracranial pathologies.
- Understanding its efficacy and safety profile in comparison to traditional methods is crucial for clinical practice.
Purpose of the Study:
- To evaluate the outcomes of stereotactic irradiation in a cohort of patients with cerebral tumors and arteriovenous malformations (AVMs).
- To compare the effectiveness and side effects of stereotactic irradiation with conventional radiotherapy and neurosurgery.
Main Methods:
- A retrospective analysis of 214 patients treated with stereotactic irradiation between March 1984 and an unspecified end date.
- The patient cohort included 198 cerebral tumors and 16 AVMs, with 73% having prior surgical intervention.
Main Results:
- Stereotactic irradiation demonstrated positive effects in malignant gliomas and single metastases.
- Tumor growth arrest or decrease was observed in craniopharyngiomas and pituitary adenomas, with complete disappearance in some cases.
- Radiosurgery led to decreased size and contrast enhancement in meningiomas, likely due to vascular changes and fibrosis.
- The efficiency of radiosurgery for AVMs was confirmed.
Conclusions:
- Stereotactic irradiation is a valuable tool for treating brain tumors and AVMs, often complementing neurosurgery rather than replacing it.
- It offers reduced brain damage compared to conventional radiotherapy, as evidenced by NMR imaging.
- While follow-up is limited, initial results suggest significant benefits for specific tumor types and AVMs.
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