Neurosurg Q 2010;20:142–145
Study Design: A comparative randomized prospective clinical study.
Background and Purpose: The endoscopic approach to colloid cysts of the third ventricle is receiving increasing interest. However, its effectiveness is a matter of discussion. The aim of the study was to present a direct and long-term outcome after endoscopy of a colloid cyst versus microsurgery.
Materials and Methods: Ten patients with colloid cysts were prospectively analyzed. Group A consisted of 5 patients treated endoscopically, whereas 5 patients treated using a transcorticaltransventricular approach comprised group B. Clinically, symptoms of raised intracranial pressure were predominant. All patients had hydrocephalus. Tumor diameter ranged from 10 to 27 mm. The mean follow-up period was 22 months.
Results: The mean surgery time was 122 minutes in group A and 201 minutes in group B. Hospital stay was 1.5 days in the intensive care unit and 2.5 days in the ward in group A as compared with 3.5 days in the intensive care unit and 7 days in the ward in group B.
Postoperative complications in group A were in the form of 1 transient hemiparesis and 1 transient short-term memory loss. Two patients in group B suffered transient short-term memory loss postoperatively and 1 patient suffered from transient hemiparesis. Clinically, the preoperative symptoms resolved in all the patients. One patient who underwent microsurgery required a ventriculoperitoneal shunt postoperatively. All patients who underwent endoscopy remained shunt independent.
Conclusions: The endoscopic approach to colloid cysts of the third ventricle is safe, effective, and carries a low complication rate. Endoscopy may be recommended as a treatment option.
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