• Neurocirugia · Nov 2014

    Review

    [Insular-opercular associative tracts: Review of their anatomy and relevance for the trans-opercular approach to the insula].

    • Carlos Bucheli, David Mato, Marco de Lucas Enrique E Departamento de Radiología, Hospital Universitario Marqués de Valdecilla, Fundación Instituto de Investigación Marqués de Valdecilla (IDIVAL), Sa, Juan A García-Porrero, Alfonso Vázquez-Barquero, and Juan Martino.
    • Departamento de Neurocirugía, Hospital Universitario Marqués de Valdecilla, Fundación Instituto de Investigación Marqués de Valdecilla (IDIVAL), Santander, Cantabria, España.
    • Neurocirugia. 2014 Nov 1; 25 (6): 268-74.

    IntroductionThe insula is a highly connected area, as an intricate network of afferent and efferent projections connect it with adjacent and distant cortical regions.ObjectiveTo perform an extensive review of recent literature to analyse the anatomy of the associative tracts related to the insula.ResultsThe frontal aslant tract, arcuate fasciculus, horizontal portion of the superior longitudinal fasciculus and the middle longitudinal fasciculus are associative tracts connected to the opercula. The inferior fronto-occipital fasciculus (IFOF) and uncinate fasciculus run under the anterior and inferior portion of the insula.Conclusionsthe pars triangularis and orbicularis of the inferior frontal gyrus, as well as the middle and anterior part of the superior temporal gyrus, have few connections with the perisylvian associative network. Consequently, in the trans-opercular approach to the insula, these 2 regions represent anatomical corridors that give access to the insula. The IFOF and the uncinate fasciculus represent the deep functional margin of resection.Copyright © 2014 Sociedad Española de Neurocirugía. Published by Elsevier España. All rights reserved.

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