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 VIDEO SECTION: STEP BY STEP: OPERATIVE NUANCES
Year : 2021  |  Volume : 69  |  Issue : 1  |  Page : 45--48

Endoscopic Anatomy of Lateral and Third Ventricles: A must Know for Performing Endoscopic Third Ventriculostomy


Department of Neurosurgery, DKS Post Graduate Institute and Research Center Raipur Chhattisgarh, India

Correspondence Address:
Debabrata Sahana
Department of Neurosurgery, DKS Post Graduate Institute and Research Center Raipur, Chhattisgarh - 492 001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.310075

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Introduction: Endoscopic third ventriculostomy is a safe alternative to ventriculo-peritoneal shunt for certain cases of obstructive hydrocephalus. It has the advantage of not leaving a permanent foreign body in-situ, besides preventing over-drainage and reducing chances of infection. A thorough knowledge of endoscopic anatomy of ventricles is a must for performing various endoscopic procedures. Objective: The aim of this study was to demonstrate the endoscopic anatomy of ventricles for educational purpose. Procedure: ETV is done using a zero-degree LOTTA endoscope. Right Kocher's point is usually chosen as entry site into ventricle. The scope is negotiated into third ventricle through foramen of Monro. The premammillary membrane is perforated and dilated, thereby communicating the third ventricle to the chiasmatic, interpeduncular and prepontine cisterns. The video was recorded on Karl Storz recording system. It was edited using Imovie software. Photographs labeling was done using Windows PowerPoint 2018. Conclusion: Endoscopic anatomy knowledge allows a neurosurgeon to perform ETV safely.






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