The transsylvian corridor through minimally invasive transcranial approaches: a comparative anatomical study.

Neurosurgical Review
Rafael Martínez-PérezDaniel M Prevedello

Abstract

Minimally invasive transcranial approaches (MITAs) continue to expand in popularity in neurosurgery. Only few MITAs allow sufficient sylvian exposure to enable wide use of the transsylvian corridor. In this study, we aim to compare the transsylvian corridor in two MITAs: the minipterional (MPTa) and the extended supraorbital eyebrow approaches (XSEa). Eight cadaver heads were used to quantify the surgical exposure and maneuverability along the sylvian fissure and the insular lobe provided by the MPTa and the XSEa. Surgical exposure was calculated by means of the exposed length of the sylvian fissure and by the area framed within three extreme points in the insular lobe. Maneuverability was assessed by means of the surgical freedom along the sylvian cistern. XSEa provides twice the frontal exposure and half of the temporal exposure in comparison to the MPTa (p < 0.001 and p = 0.02, respectively). No significant differences were found between the two craniotomies in the length of the exposure of the sylvian fissure, area of insular exposure, or surgical freedom. Both the MPTa and the XSEa afford sufficient grades of exposure along the sylvian fissure and the insular lobe, although the viewing angle is significantly different betw...Continue Reading

References

Jan 8, 2008·Neurosurgery·Eberval G FigueiredoMark C Preul
Oct 30, 2010·Journal of Neurosurgery·Roberto C Heros
Jun 23, 2012·World Neurosurgery·Shaan M RazaKofi D Owusu Boahene
Jan 10, 2014·Neurosurgery·Jason M Davies, Michael T Lawton
Jan 20, 2019·World Neurosurgery·Umit ErogluHasan Caglar Ugur
May 16, 2019·Operative Neurosurgery·Aaron A Cohen-Gadol
Jul 3, 2019·World Neurosurgery·Rafael Martinez-Perez, Jorge M Mura
Oct 19, 2019·Acta neurochirurgica·Rafael Martínez-PérezJorge M Mura
Jan 10, 2020·Acta neurochirurgica·Rafael Martinez-PerezDaniel M Prevedello
Feb 6, 2020·Journal of Neurological Surgery. Part B, Skull Base·Mithun G SatturBernard R Bendok
Mar 14, 2020·Journal of Neurosurgery·Rafael Martínez-PérezDaniel M Prevedello

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