Microsurgical anatomy of the supracerebellar transtentorial approach to the posterior mediobasal temporal region: technical considerations with a case illustration

Neurosurgery
Roham MoftakharMustafa K Başkaya

Abstract

Surgical access to the posterior portion of the mediobasal temporal lobe presents a formidable challenge to neurosurgeons, and much controversy still exists regarding the selection of the surgical approach to this region. The supracerebellar transtentorial (SCTT) approach to the posterior mediobasal temporal region can be used as an alternative to the subtemporal or transtemporal approaches. The aim of this study was to demonstrate the surgical anatomy of the SCTT approach and review the gyral, sulcal, and vascular anatomy of the posterior mediobasal temporal lobe. The use of this approach in the resection of a ganglioglioma located in the left posterior parahippocampal gyrus is illustrated. The SCTT approach to the posterior parahippocampal gyrus was performed on three silicone-injected cadaveric heads. The gyral, sulcal, and arterial anatomy of the posterior mediobasal temporal lobe was studied in six formalin-fixed injected hemispheres. The SCTT approach provided a direct path to the posterior mediobasal temporal lobe and exposed the posterior parahippocampal gyrus as well as the adjacent gyri in all of the cadaveric specimens. Through this approach, gross total resection of the ganglioglioma was possible in our patient. The...Continue Reading

References

Apr 1, 1991·Brain : a Journal of Neurology·H LüdersJ Godoy
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Citations

Apr 30, 2014·Surgical Neurology International·Shaheryar F AnsariAaron A Cohen-Gadol
Nov 15, 2014·Journal of Neurosurgery. Pediatrics·Alexander G WeilSanjiv Bhatia
Sep 30, 2016·Acta neurochirurgica·Anthony M T ChauCristian Gragnaniello
Aug 9, 2016·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·Yu A GrigoryanG Yu Grigoryan
Nov 4, 2015·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·A N KonovalovD N Kopachev

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