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Journal of Neurosurgical Sciences 2020 Sep 28

DOI: 10.23736/S0390-5616.20.05046-8

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Subpial technique in supratentorial glioma resection: state of the art and analysis of costs and effectiveness in a single institute experience

Laura LAVALLE , ALESSANDRO D'ELIA, Marco CIAVARRO, Vincenzo ESPOSITO

Neurosurgery Department, IRCCS Neuromed, Pozzilli, Isernia, Italy


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BACKGROUND: Many neurosurgeons advocate subpial technique as the best technique to remove supratentorial gliomas. However, few authors clearly defined advantages and features of this technique. The aim of our study is to describe microsurgical subpial technique related to glioma surgery, with regard to its safety and cost effectiveness.
METHODS: We analysed retrospectively all consecutive patients surgically treated for supratentorial glioma from January 2017 to April 2018 at Neurosurgery Department of Neuromed Institute. All patients underwent to surgical glioma resection performing microsurgical subpial technique. Extent of resection and neurological complications were evaluated as primary outcomes; Karnofsky Performance Status and postoperative edema extent were secondary outcomes. Statistical analysis was obtained.
RESULTS: The study included 70 patients. Gross Total Removal was obtained in 91,3% of patients with low grade glioma and in 81% of patients with high grade glioma. Neurological complications amounted to 34% at early assessment in low grade glioma patients, which were permanent at 3 months in 17% of patients. In high grade glioma patients, neurological complications amounted to 51% at early assessment, which were permanent at 3 months in 25% of them.
CONCLUSIONS: We obtained good postoperative results with regard to the extent of tumor resection using this technique. Subpial resection is an effective surgical technique to get a safer and more complete tumor resection. It should be combined with other modern neurosurgical tools such as neuronavigation, ultrasound and cortical mapping to obtain the best tumor resection and functional neurological preservation.


KEY WORDS: Subpial technique; Glioma surgery; Extent of resection; Intraoperative magnetic resonance; Cost effectiveness

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