ESBS                Endoscopic skull base surgery

CSF                  Cerebrospinal fluid

CPG                 Clinical Practice Guideline

GRADE            Grading of Recommendations Assessment, Development and Evaluation

CT                    Computerized tomography

HRCT                 High resolution CT

MRI                 Magnetic Resonance Imaging

NR                   Not Reported

ICP                   Intracranial pressure

IIH                      Idiopathic intracranial hypertension

RCT                  Randomized controlled trial

LD                      Lumber drain

VP                      Ventriculo-peritoneal