Endoscopic Trans-septal Trans-caval Inter-forniceal

World Neurosurg · Jul 2017

Case Reports

Endoscopic Trans-septal Trans-caval Inter-forniceal Approach to the Posterior Third Ventricle in Presence of Cavum Septum Pellucidum.

Posterior third ventricular lesions often cause obstructive hydrocephalus. Thus, a combined endoscopic third ventriculostomy (ETV) and endoscopy biopsy are often the first treatment. However, the trajectories for both procedures can differ significantly, necessitating 2 entry points or a combined rigid-flexible technique. ⋯ Although described as a route to reach the anterior third ventricle endoscopically, we describe the use of the transseptal, transcaval, interforniceal approach to reach the posterior part of the third ventricle.

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- Jonathan Roth, Assaf Berger, and Shlomi Constantini.
- Department of Neurosurgery, Tel-Aviv Medical Center, Tel-Aviv, Israel; Department of Pediatric Neurosurgery, Dana Children's Hospital, Tel-Aviv Medical Center, Tel-Aviv, Israel; Tel-Aviv University, Tel-Aviv, Israel. Electronic address: jonaroth@gmail.com.
- World Neurosurg. 2017 Jul 1; 103: 768-771.
BackgroundPosterior third ventricular lesions often cause obstructive hydrocephalus. Thus, a combined endoscopic third ventriculostomy (ETV) and endoscopy biopsy are often the first treatment. However, the trajectories for both procedures can differ significantly, necessitating 2 entry points or a combined rigid-flexible technique.MethodsWe describe the use of a large cavum septum pellucidum as a route for performing the biopsy.ResultsUsing a rigid endoscope and a single trajectory, we were able to perform a transforaminal ETV and a transseptal, transcaval, interforniceal biopsy of the tumor.ConclusionAlthough described as a route to reach the anterior third ventricle endoscopically, we describe the use of the transseptal, transcaval, interforniceal approach to reach the posterior part of the third ventricle.Copyright © 2017 Elsevier Inc. All rights reserved.

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Endoscopic Trans-septal Trans-caval Inter-forniceal Approach to the Posterior Third Ventricle in Presence of Cavum Septum Pellucidum.

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