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Functional mapping-guided resection of low-grade gliomas
1Department of Neurological Surgery, University of Washington, Seattle, USA.
Clinical Neurosurgery
|January 1, 1995
Summary
Maximizing tumor resection in low-grade gliomas improves outcomes and recurrence. Intraoperative mapping and electrocorticography enhance surgical success and seizure control in these patients.
Area of Science:
- Neurosurgery
- Oncology
- Neurology
Background:
- Low-grade gliomas (LGGs) are primary brain tumors.
- Surgical resection is a primary treatment modality for LGGs.
- Extent of resection impacts recurrence and tumor characteristics.
Purpose of the Study:
- To review the impact of quantitative volumetric resection of LGGs.
- To explore the role of intraoperative mapping in radical resection of LGGs.
- To assess the benefit of electrocorticography in epilepsy associated with LGGs.
Main Methods:
- Review of evidence on quantitative volumetric resection.
- Application of intraoperative mapping for functional cortex and white matter tract localization.
- Use of electrocorticography for seizure control in epilepsy-associated LGGs.
Main Results:
- Greater extent of tumor resection correlates with delayed recurrence and altered recurrent tumor phenotype.
- Intraoperative mapping aids in radical resection by identifying critical functional areas.
- Electrocorticography improves seizure control compared to lesion resection alone for intractable epilepsy.
Conclusions:
- Radical resection of LGGs, guided by advanced techniques, is crucial for improved patient outcomes.
- Intraoperative mapping and electrocorticography are valuable adjuncts for optimizing surgical resection and managing associated epilepsy.
- Further research into optimizing surgical strategies for LGGs is warranted.