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Newer Technique of Using Indigenous Tubular Retractor (Tailored 5-mL Syringe) for Microscopic Excision of Third Ventricular Colloid Cysts

Vaish, Manish DNB; Patir, Rana MCh; Dhar, Anil MCh; Prasad, Rahul MCh; Goel, Sumit MCh; Marda, Manish DM

doi: 10.1097/WNQ.0000000000000200
Original Articles

Colloid cysts are benign space-occupying lesions that account for 0.5% to 1.0% of brain tumors and arise from the velum interpositum or the choroid plexus of the third ventricle. We are describing a modified surgical technique that combines the positive attributes of being minimalistic while retaining the effectiveness of microsurgery. In all 20 consecutive symptomatic patients with a preoperative magnetic resonance imaging diagnosis of colloid cyst who came to the senior author between 2008 and 2011 were included in the study. The patient was kept supine with the head positioned neutrally in the saggital plane and neck flexed at 20 degrees. The tube of a 5-mL plastic syringe having an external diameter of 13 mm and an internal diameter of 12.6 mm was cut towards the nozzle end to an appropriate length depending upon the cortical thickness measured on the preoperative magnetic resonance imaging. Microsurgical excision using tubular retractor was performed in all the cases. Average operative time was around 90 minutes with maximum of 120 minutes. None of the patients had seizures preoperatively or postoperatively and in all cases antiepileptic medication could be stopped after 3 to 6 months of surgery. Two patients had short-term memory impairment which returned to near-normal by 1 year after surgery.

Departments of *Neurosurgery

§Neuroanasthesia, Fortis Hospital, Noida, Uttar Pradesh

Department of Neurosurgery, Fortis Hospital, Gurgoan Haryana

Consultant Neurosurgery, New Delhi, India

The authors declare no conflict of interest.

Reprints: Anil Dhar, MCh, Department of Neurosurgery, Fortis Hospital, Gautam Budh Nagar, Noida Sector 62, Uttar Pradesh 201301, India (e-mail:

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