Temporal mediobasal tumors: a proposal for classification according to surgical anatomy

Acta neurochirurgica
J Schramm, Ales F Aliashkevich

Abstract

Development of a classification for temporal mediobasal tumors based on anatomical and neuroradiological aspects to help evaluate surgical accessibility and risk. Preoperative magnetic resonance imaging, surgical approaches and outcomes of 235 patients with a temporal mediobasal tumor were analyzed retrospectively. Surgical landmarks were defined in accordance with operative anatomy. Previous classifications of these tumors were reviewed and a new classification system was developed. The new classification system recognises four types of temporal mediobasal tumor based on anatomical landmarks, location, and size. Type A comprises lesions confined to the uncus, hippocampus, parahippocampus, and/or amygdala. Type B comprises lesions in the area immediately lateral to the structures where type A tumors are located but sparing lateral gyri. Type C tumors are larger lesions, which occupy the area of type A and type B simultaneously. Type D tumors originate from the temporal mediobasal region and invade into the adjacent structures of the temporal stem, insular cortex, claustrum, putamen, or pallidum. The area occupied by a tumor in the axial plane was divided into anterior (a) and posterior (p) subregions. Progressive grading from A...Continue Reading

References

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Feb 10, 2007·Neurosurgery·Johannes Schramm, Ales F Aliashkevich

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Citations

Nov 10, 2013·Acta neurochirurgica·Katharina FaustPeter Vajkoczy
Jul 16, 2009·Acta neurochirurgica·Francesco SignorelliGiuseppe M V Barbagallo
Mar 24, 2012·Neurosurgery Clinics of North America·Young-Hoon Kim, Chae-Yong Kim
Aug 4, 2009·Neurosurgical Focus·Ji Hoon Phi, Chun Kee Chung
Sep 24, 2016·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Charles Raybaud
Sep 30, 2016·Acta neurochirurgica·Anthony M T ChauCristian Gragnaniello
Aug 24, 2018·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·Yu A GrigoryanL P Mishnyakova
Nov 19, 2014·World Journal of Clinical Cases·Marco GiulioniGuido Rubboli
Mar 4, 2020·Surgical Neurology International·Amandeep KumarShashank Kale

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