Abstract
Diffuse low-grade gliomas (LGGs), originating from glial tissue, have a propensity to progress to higher-grade tumors over time, presenting a complex challenge in clinical management. Glioma-associated epilepsy is a significant clinical indicator influencing both treatment strategies and prognostication. This study aims to assess the impact of glioma-related epilepsy on treatment outcomes and explore the current management guidelines. Material and Methods A retrospective analysis was conducted on 38 patients diagnosed with LGGs (WHO grades 2 and 3) treated in our neurosurgical department from 2013 to 2023. The focus was on glioma-related epileptic seizures, with outcomes evaluated using the Engel classification six months post-surgery. Additionally, anti-seizure medication (ASM) regimens were reviewed, and current National Institute for Health and Care Excellence (NICE) guidelines on low-grade gliomas were synthesized. Results Of the 38 patients, 30 had diffuse astrocytoma and 8 had oligodendroglioma. Among those with glioma-related epilepsy (n=25), management strategies included biopsy only (8%), gross total resection (GTR) (40%), subtotal resection (StR) (32%), and partial resection (PaR) (20%). No significant correlation was found between seizures and tumor volume, growth rate, or histological findings. However, a positive correlation between the extent of surgical resection and improved Engel outcomes was observed. Discussion Existing research suggests that early seizures may be a favorable prognostic indicator for malignant progression-free and overall survival. Epilepsy significantly impacts the quality of life for glioma patients. Exploring targeted epilepsy surgery for glioma-related seizures could potentially enhance patient outcomes and quality of life posttreatment. Conclusion Advancing approaches in epilepsy surgery for glioma-related seizures holds promise for improving patient quality of life and treatment efficacy. Further investigation into these strategies is warranted.
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