Surgical management of the fourth ventricular tumors using telovelar approach and the role of neuroendoscopy: Post-operative outcome and long-term results in a series of 52 cases.

Objectives: The telovelar approach is a surgical method performed through natural corridors of the brain to access the fourth ventricle. The aim of this study is to assess the results of this approach as well as the role of neuroendoscopy in surgical management of fourth ventricle tumors.

Material And Methods: A retrospective study was designed, and a series of 52 consecutive patients (32 male, 20 female) with fourth ventricle tumor undergoing telovelar approach was undertaken.

Exploring yale-brown obsessive-compulsive scale symptom structure in Iranian OCD patients using item-based factor analysis.

Obsessive compulsive disorder (OCD) is a heterogeneous psychiatric disorder. This study aimed to reach a comprehensive perspective of OCD symptoms in Iranian patients. Item-based factor analysis of Y-BOCS checklist from 216 outpatients resulted in five factors including aggression/checking, contamination/cleaning, symmetry/ordering/repeating/counting/hoarding, sexual and somatic.