Endoscopic resection of colloid cyst in normal-sized ventricular system

“Endoscopic resection of colloid cyst in normal-sized ventricular system“ Konstantinos Margetis, MD and Mark M. Souweidame, MD Department of Neurological Surgery, Weill Cornell Medical College, New York, New York Endoscopic resection of colloid cyst in patients with normal-sized ventricular system is challenging, because the limited intraventricular space increases the risk of injuring eloquent nervous structures and critical blood vessels. The utilization of frameless stereotaxy and tissue shaving device