Endoscopic Treatment of Intracranial Arachnoid Cysts: A Retrospective Analysis of a 25-Year Experience.

Background Since the development of neuroendoscopy, pure endoscopic fenestration for intracranial arachnoid cysts (ACs) became more and more popular and is actually preferred by many neurosurgeons. Objective To explore their techniques and experiences with endoscopic treatment of intracranial ACs over a 25-yr period. Methods A total of 95 endoscopic procedures in 87 patients with 88 intracranial ACs performed at the authors' departments between February 1993 and October 2018 were retrospectively analyzed. Particular respect was given to surgical technique, complications, patients' outcome, and radiological benefit in relation to cyst location. Results Patients' ages ranged from 23 d to 81 y…