Role of the Radiologist in Management of Pulsatile Tinnitus

Inclusion Criteria: * Patients with pulsatile tinnitus of unknown origin referred by a physician to diagnostic radiology to be assessed by imaging will be included in the study. * Patient's with clinical diagnosed pulsatile tinnitus. * patient refused surgical intervention. Exclusion Criteria: * History of allergy to the contrast media , Contraindication to MRI and Refusal to sign a consent * Pregnant women * patients with atherosclerosis cause only or vascular loop more than 50% in internal auditory canal