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CC BY-NC-ND 4.0 · Asian J Neurosurg 2021; 16(01): 170-173
DOI: 10.4103/ajns.AJNS_67_20
Case Report

Endoscopic third ventriculostomy in the fourth ventricle outlet obstruction associated with chiari malformation Type I and syringomyelia: Case report

Sidi Salem-Memou
Department of Neurosurgery, National Hospital Center, Nouakchott
,
Tolba Amal
Department of Neurosurgery, National Hospital Center, Nouakchott
,
Sidi-Mohamed Salihy
Department of Neurosurgery, National Hospital Center, Nouakchott
,
Outouma Soumare
Department of Neurosurgery, National Hospital Center, Nouakchott
,
Boukhrissi Najat
Department of Neurosurgery, National Hospital Center, Nouakchott
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Hydrocephalus by the fourth ventricle outlet obstruction (FVOO) associated with a Chiari malformation type I and syringomyelia is a well-known entity but a rare situation in clinical practice. Although suboccipital craniectomy with the opening of the obstruction membrane appears to be the most physiological approach, by restoring the original pathway of cerebrospinal fluid flow, the endoscopic third ventriculostomy (ETV) represents an important minimally invasive alternative. We report the case of an adult patient with tetra ventricular hydrocephalus by FVOO associated with Chiari malformation and syringomyelia. The ETV alone completely resolved all symptoms, as well as neuroimaging abnormalities on the control magnetic resonance imaging. The ETV is a minimally invasive option for the treatment of hydrocephalus in patients with obstruction at the exit of the fourth ventricle, even in cases associated with Chiari malformation and syringomyelia.

Key-words:

Chiari malformation type I - endoscopic third ventriculostomy - foramen of Magendie - fourth ventricle outlet obstruction - hydrocephalus

Financial support and sponsorship

Nil.




Publication History

Received: 26 February 2020

Accepted: 04 August 2020

Article published online:
16 August 2022

© 2021. Asian Congress of Neurological Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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