• Neurocirugia · Jan 2014

    [Three-dimensional endoscopic endonasal study of skull base anatomy].

    • Javier Abarca-Olivas, Irene Monjas-Cánovas, Beatriz López-Álvarez, Jaime Lloret-García, Jose Sanchez-del Campo, Juan Ramon Gras-Albert, and Pedro Moreno-López.
    • Departamento de Neurocirugía, Hospital General Universitario de Alicante, Alicante, España. Electronic address: jabarcaolivas@gmail.com.
    • Neurocirugia. 2014 Jan 1;25(1):1-7.

    IntroductionTraining in dissection of the paranasal sinuses and the skull base is essential for anatomical understanding and correct surgical techniques. Three-dimensional (3D) visualisation of endoscopic skull base anatomy increases spatial orientation and allows depth perception.ObjectiveTo show endoscopic skull base anatomy based on the 3D technique.MethodsWe performed endoscopic dissection in cadaveric specimens fixed with formalin and with the Thiel technique, both prepared using intravascular injection of coloured material. Endonasal approaches were performed with conventional 2D endoscopes. Then we applied the 3D anaglyph technique to illustrate the pictures in 3D.ResultsThe most important anatomical structures and landmarks of the sellar region under endonasal endoscopic vision are illustrated in 3D images.ConclusionThe skull base consists of complex bony and neurovascular structures. Experience with cadaver dissection is essential to understand complex anatomy and develop surgical skills. A 3D view constitutes a useful tool for understanding skull base anatomy.Copyright © 2012 Sociedad Española de Neurocirugía. Published by Elsevier España. All rights reserved.

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