<prompt> Queckenstedt test is done forGlomus tumorCSF rhinorrheaOtosclerosisAcoustic neuroma  <response>: Drainage of CSF in some cases may often be elicited on endoscopy by having the patient perform a Valsalva maneuver or by compressing both jugular veins Queckenstedt-Stookeytest Ref : internet sources 