Endoscopic Transventricular Approach to Third Ventricular Colloid Cyst

Background: Colloid cysts typically presents with manifestations of increased intracranial pressure due to association with obstructive hydrocephalus. Many management options exist including expectant observation, ventriculo-peritoneal (v/p) shunt, microsurgical resection and endoscopic transventricular cyst excision. Endoscopic approach brings together the value of resection and the avoidance of complications of open techniques. Objective: Assessment of the efficacy and safety of endoscopic approach to colloid cysts. Patients and Methods: Twelve cases of colloid cysts were operated upon by endoscopic technique using the uniportal approach in the period between 2004 and 2015. Results: Seven females and five males were included. Headache was the most common symptom followed by memory disturbance. Total resection was achieved in 50% of the endoscopic cases. In one case we had to shift to microsurgery due to hard contents. One case had symptomatic recurrence requiring surgery. Temporary postoperative memory affection occurred in four cases (30%). Four patients (30%) needed postoperative V/P shunt. Conclusion: Endoscopic approach to colloid cyst is safe, effective and with relative low morbidity.