Frontotemporal orbitozygomatic (FtOZ) craniotomy evolved from the pterional approach. In the pterional approach, following frontotemporal craniotomy and sphenoid bone drilling, access is gained to the Sylvian fissure, a natural corridor between the frontal and temporal lobes, and from there to the circle of Willis. This approach can be conceived as a skull base extension of the pterional approach. Since the early twentieth century, studies have described the supraorbital approach [1]. However, during the 1980s, some neurosurgeons began publishing a modified approach derived from pterional craniotomy, expanding it to the orbital and zygomatic regions. This modification enabled broader skull base access while minimizing brain retraction [2–6].

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The Frontotemporal-Orbito-Zygomatic Approach

  • Helbert de Oliveira Manduca Palmiero,
  • Eberval Gadelha Figueiredo

摘要

Frontotemporal orbitozygomatic (FtOZ) craniotomy evolved from the pterional approach. In the pterional approach, following frontotemporal craniotomy and sphenoid bone drilling, access is gained to the Sylvian fissure, a natural corridor between the frontal and temporal lobes, and from there to the circle of Willis. This approach can be conceived as a skull base extension of the pterional approach. Since the early twentieth century, studies have described the supraorbital approach [1]. However, during the 1980s, some neurosurgeons began publishing a modified approach derived from pterional craniotomy, expanding it to the orbital and zygomatic regions. This modification enabled broader skull base access while minimizing brain retraction [2–6].