An MRI scan may reveal a growth or tumor near the ear or the eighth cranial nerve that could be causing tinnitus. Imaging tests can also help doctors evaluate pulsatile tinnitus. They can show changes in the blood vessels near the ears and determine if an underlying medical condition is causing the symptoms. Depending on the possible cause of tinnitus, you may need diagnostic imaging tests, such as CT scans or MRIs.
Depending on the reason for your tinnitus, you may be advised to see a doctor for an MRI or CT scan. This is something the audiologist will refer you for, which is another reason to see this professional if you have symptoms. How can I tell if I have tinnitus? If you feel a constant ringing, ringing, pounding, wheezing, or ringing in your ears, you probably have tinnitus.