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Abstract #4932

Evaluating the clinical significance of MRI findings of Brain Herniations into Arachnoid Granulations in patients with pulsatile tinnitus

Justin Remer1, Eric Smith1, Javier Villanueva-Meyer1, Laura B Eisenmenger2, M. Travis Caton1, Amanda Baker1, Vinil Shah1, Karl Meisel3, Adelyn Tu-Chan3, and Matthew Amans1
1Radiology, UCSF, San Francisco, CA, United States, 2Radiology, University of Wisconsin, Madison, WI, United States, 3Neurology, UCSF, San Francisco, CA, United States

Synopsis

Pulsatile tinnitus, a severely debilitating condition where a “whooshing” sound is heard with each heart beat, affects over 3 million Americans, leading to anxiety, depression and even suicide. While many there are many diseases associated with pulsatile tinnitus one common and serious condition is idiopathic intracranial hypertension. Our study is the first to show that the presence of brain herniations through arachnoid granulations into dural sinuses on MRI is significantly associated with idiopathic intracranial hypertension in patient's with pulsatile tinnitus.

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Keywords