• World Neurosurg · Jul 2021

    Low-Grade Glioma Case Series: lessons learned from an evolving 10-year single institution multidisciplinary team practice.

    • Shami Acharya, José Pedro Lavrador, Priya Pavninder Sekhon, Ravindran Visagan, Josephine Jung, Richard Gullan, Francesco Vergani, Ranjeev Bhangoo, and Keyoumars Ashkan.
    • Department of Neurosurgery, King's College Hospital Foundation Trust, London.
    • World Neurosurg. 2021 Jul 1; 151: e47-e57.

    BackgroundLow-grade gliomas are a heterogeneous group with significant changes in their management during the last decade.ObjectiveTo assess how our multidisciplinary team approach to the management of low-grade glioma has evolved over the past 10 years and its implications for outcomes.MethodsRetrospective single-center cohort study of adult patients with a pathologically confirmed diagnosis of World Health Organization grade II glioma between 2009 and 2018. Demographic, clinical, and pathologic data were collected.ResultsNinety-five patients were included. There was a statistically significant difference in the surgical approach, with more patients having gross total resection (45.7% vs. 18.4%) and fewer patients having a biopsy (21.8% vs. 49.0%) (P = 0.002) after 2014. There was a significantly better overall survival after 2014 (<2014, 16.3%; ≥2014, 0 deaths; P = 0.010) measured at the mean time of follow-up. The use of adjuvant chemotherapy (P = 0.045) and radiotherapy (P = 0.001) significantly decreased after 2014. A subgroup analysis showed that the impact of extent of surgical resection was the greatest for survival in the 1p19q noncodeleted tumors (P = 0.029) and for seizure outcomes in the 1p19q codeleted group (P = 0.018). There was no statistically significant increase in neurologic disability with more radical surgery, incorporating intraoperative neuromonitoring, as measured by modified Rankin Scale score (P > 0.05).ConclusionsMore radical surgery was associated with increased survival, less need for postoperative adjuvant therapy and better seizure control, without significant morbidity. Molecular markers are useful tools for stratification of benefits after such surgery.Copyright © 2021 Elsevier Inc. All rights reserved.

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