Combined Staged Telo-Velar and Trans-Choroidal Approach to a Tumor of the Sylvian Aqueduct

Internal Debulking, Dissection and Removal of the Tumor

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In this segment, the tumor is progressively debulked from inside to create a large surgical cavity without injury to periaqueductal grey matter until finding the cavity of the fourth ventricle.


  • Sylvian aqueduct
  • Midbrain
  • Tectal plate

About this video

Giuseppe Cinalli
Nicola Onorini
First online
17 May 2019
Online ISBN
Springer, Cham
Copyright information
© The Author(s) 2020