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Suboccipital Lateral Approaches (Presigmoid)

  • Luciano Mastronardi
  • Alessandro Ducati
  • Takanori Fukushima

Abstract

The goal of presigmoid approaches is to expose the posterior cranial fossa via partial or complete petrosectomy and division of the tentorium. The presigmoid approaches are an anterior extension of the common suboccipital lateral approach, and provide excellent exposure of cerebellopontine angle and pons. We generally distinguish three types of presigmoid approaches, namely the retrolabyrinthine, the translabyrinthine and the transcochlear, that represent three progressive steps of the petrosectomy.

Keywords

Facial Nerve Sigmoid Sinus Jugular Bulb Lateral Semicircular Canal Fallopian Canal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia 2010

Authors and Affiliations

  • Luciano Mastronardi
    • 1
  • Alessandro Ducati
    • 2
  • Takanori Fukushima
    • 3
    • 4
    • 5
  1. 1.Dept of Neurosurgery, Sant’Andrea Hospital“Sapienza” University of RomeItaly
  2. 2.Department of NeurosurgeryUniversity of TorinoItaly
  3. 3.Carolina Neuroscience Institute for Skull Base SurgeryRaleigh
  4. 4.Duke UniversityDurham
  5. 5.University of MorgantownUSA

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