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Weiner HL; Kelly PJ
"A novel computer-assisted volumetric stereotactic approach for resecting tumors of the posterior parahippocampal gyrus"
Journal of neurosurgery 1996 Aug; 85(2):272-277
The authors report their experience using a novel surgical approach for resecting tumors located in the posterior parahippocampal gyrus. Prior attempts to resect epileptogenic foci in this location have been limited by a significant risk of injury to lateral temporal lobe cortical and vascular structures. To avoid these potential complications, the authors have used a lateral occipitosubtemporal, computer-assisted stereotactic volumetric approach to resect radiographically defined tumors in seven patients with intraaxial neoplasms of the posteromedial temporal lobe. This series included one female and six male patients, ranging in age from 15 to 67 years, who presented with seizures, visual field loss, or headache. Gross-total resection of three high-grade gliomas, two gangliogliomas, and one mixed glioma was accomplished with no permanent morbidity or operative mortality. The authors conclude that this approach is advantageous for resecting tumors in this location because, by avoiding unnecessary brain resection or retraction, it significantly reduces the risk of injury to lateral temporal lobe structures, helps maintain precise spatial and anatomical orientation for the surgeon, and, like all computer-assisted volumetric approaches, delineates the margin between the tumor and surrounding neural tissue

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# 8017 (MEDL:8755756)

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