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Endoscopic Approach for Colloid Cyst Resection

Endoscopic Approach for Colloid Cyst Resection

Published on: May 23, 2025

Endoscopic approach to colloid cysts.

A Zohdi¹, S El Kheshin

¹Department of Neurosurgery, Kasr El Aini School of Medicine, Cairo University, Egypt. azohdi54@yahoo.com

Minimally Invasive Neurosurgery : MIN

|December 14, 2006

Summary

This study explores how colloid cyst anatomy influences endoscopic surgery choices via Kocher's burr hole. Endoscopic techniques, guided by cyst and foramen anatomy, achieved no recurrence in long-term follow-up.

Area of Science:

Neurosurgery
Minimally Invasive Procedures
Neuroanatomy

Background:

Colloid cysts are intraventricular tumors often causing obstructive hydrocephalus.
Surgical management aims for safe and effective cyst removal.
Endoscopic approaches offer minimally invasive options but require careful planning.

Purpose of the Study:

To analyze the impact of colloid cyst anatomical variations on endoscopic surgical approach selection.
To evaluate the efficacy and safety of endoscopic techniques through a standard Kocher's burr hole.

Main Methods:

Retrospective analysis of 18 patients operated between 1996-2006.
All procedures performed via a single Kocher's point burr hole using a rigid endoscope.
Surgical approach (transforaminal, transseptal interforniceal, or combined) determined by cyst and foramen of Monro anatomy.

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Main Results:

No mortalities or significant morbidities reported.
Mean operative time was 133 minutes; complications included transient chemical meningitis (27.7%) and memory disturbance (16.7%).
No radiological evidence of cyst recurrence during a mean follow-up of over 4 years.

Conclusions:

A single Kocher's burr hole allows for diverse endoscopic maneuvers for colloid cyst treatment.
Surgical approach selection is dictated by cyst location and foramen of Monro morphology.
Preoperative MRI aids in planning, and techniques like marsupialization and coagulation contribute to durable, recurrence-free outcomes.