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 Detalle_Publicacion

Anterior transtemporal endoscopic selective amygdalohippocampectomy: a virtual and cadaveric feasibility study

Abstract: Purpose Selective amygdalohippocampectomy (SelAH) is one of the most common surgical treatments for mesial temporal sclerosis. Microsurgical approaches are associated with the risk of cognitive and visual deficits due to damage to the cortex and white matter (WM) pathways. Our objective is to test the feasibility of an endoscopic approach through the anterior middle temporal gyrus (aMTG) to perform a SelAH. Methods Virtual simulation with MRI scans of ten patients (20 hemispheres) was used to identify the endoscopic trajectory through the aMTG. A cadaveric study was performed on 22 specimens using a temporal craniotomy. The anterior part of the temporal horn was accessed using a tubular retractor through the aMTG after performing a 1.5 cm corticectomy at 1.5 cm posterior to the temporal pole. Then, an endoscope was introduced. SeIAH was performed in each specimen. The specimens underwent neuronavigation-assisted endoscopic SeIAH to confirm our surgical trajectory. WM dissection using Klingler?s technique was performed on five specimens to assess WM integrity. Results This approach allowed the identification of collateral eminence, lateral ventricular sulcus, choroid plexus, inferior choroidal point, amygdala, hippocampus, and fimbria. SelAH was successfully performed on all specimens, and CT neuronavigation confirmed the planned trajectory. WM dissection confirmed the integrity of language pathways and optic radiations. Conclusions Endoscopic SelAH through the aMTG can be successfully performed with a corticectomy of 15 mm, presenting a reduced risk of vascular injury and damage to WM pathways. This could potentially help to reduce cognitive and visual deficits associated with SelAH.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Acta Neurochir (Wien) . 2022 Nov;164(11):2841-2849

Editorial: Springer

 Año de publicación: 2022

Nº de páginas: 9

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/s00701-022-05295-7

ISSN: 0001-6268,0942-0940

Url de la publicación: https://doi.org/10.1007/s00701-022-05295-7

Autores/as

LAU, RUTH

GABARROS, ANDREU

FERNÁNDEZ-COELLO, ALEJANDRO

SANMILLÁN, JOSÉ-LUIS

BENET, ARNAU

KOLA, OLIVIA

RODRÍGUEZ-RUBIO, ROBERTO