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Congreso

Contenidos del congreso
Congreso
XXIII Congreso Nacional de la Sociedad Española de Neurocirugía
Salamanca, 14-17 Mayo 2019
Listado de sesiones
Comunicación
7. NEUROANATOMÍA
Texto completo

C0352 - MICROSURGICAL ANATOMY OF THE INSULAR REGION, OPERCULOINSULAR ASSOCIATION FIBERS AND ITS NEUROSURGICAL APPLICATION REVIEW PART 2

G. García Catalán3, F. Escartín Pastor1, B. Rubén2, J. Esteban García3, C. Santos Jiménez3, J. Martino González3 and R. Martín Laez3

1Hospital Clínico Universitario, Valencia, Spain. 2ICNE, Beneficiencia Portuguesa, Sao Paolo, Brazil. 3Hospital Universitario Marqués de Valdecilla, Santander, Spain.

Objectives: To analyze the three dimensional relationships of the operculoinsular compartments, using standard hemisferic dissection. Review of the anatomy of association fibers related tothe operculoinsular compartments of the Sylvian fissure and the main white matter tracts located deep into the insula. The secondary aim of this study is to improve the knowledge of this complex region in order to safely address tumor, vascular and epilepsy lesions, by adding up an integrated point of view from the topographic and white matter fiber anatomy, using 2D and 3D photographs. IN this second part of the study, the dissection of white matter fiber dissection was enphasized, making a systemic description of the anatomical fiber related to the insula.

Methods: 6 cadaveric hemispheres were dissected. Two were fixed with formalin and their arteries injected with red latex dye, the remaining four were prepared using the Kingler method and white fiber dissections performed.

Results: The insula is located entirely inside the Sylvian fissure. The topographic hemispheric anatomy, Sylvian fissure, opercula, surrounding sulci and gyri as well as the M2, M3 and M4 segments were identified. The anatomy of the insula, with its sulci and gyri and its limiting sulci were also identified and described. The main white matter fiber tracts of the operculoinsular compartments of the Sylvian fissure as well as the main association and commissural fibers located deep into the insula were dissected and demonstrated.

Conclusions: Complementing topographic anatomy with detailed study of white matter fibers and their integration can help the neurosurgeon to safely approach lesions in the insular region, improving postoperative results in the microsurgical treatment of aneurysmal lesions, insular tumors or epilepsy surgery.

Idiomas
Neurocirugía

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