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Transcortical surgery for lateral ventricular tumors.
1Division of Pediatric Neurological Surgery, Children's Hospital and Regional Medical Center, Department of Neurological Surgery, University of Washington, Seattle, Washington, USA. rellen@chmc.org
Neurosurgical Focus
|May 27, 2006
Summary
The transcortical approach safely and effectively resects lateral ventricle tumors, offering superior working space. Most patients achieve good outcomes with minimal morbidity, highlighting the technique
Area of Science:
- Neurosurgery
- Neuro-oncology
- Microsurgery
Background:
- Lateral ventricle tumors can be accessed via transcallosal or transcortical routes.
- The transcortical approach offers specific advantages for tumor resection.
Purpose of the Study:
- To discuss the techniques and outcomes of transcortical surgery for lateral ventricle tumors.
- To evaluate the safety and efficacy of the transcortical approach.
Main Methods:
- Retrospective review of 29 consecutive lateral ventricular tumor resections via the transcortical route over 5 years.
- Discussion of risks, complications, and outcomes compared to literature.
- Description of surgical approaches to all five lateral ventricle regions.
- Evaluation of neuropsychological, functional, and neurological outcomes.
Main Results:
- The transcortical technique allows resection of lesions in all five lateral ventricle regions.
- Superior microsurgical working space and maneuverability were achieved.
- 86% of patients in this series experienced good outcomes with minimal morbidity.
- Postoperative outcomes are more dependent on tumor histology and site than surgical approach.
Conclusions:
- The transcortical approach is a safe and effective technique for resecting lateral ventricle tumors.
- Understanding functional anatomy, lesion location, and vascular supply is crucial for success.
- The transcortical approach provides significant advantages in microsurgical working space and flexibility.