Had ringing in my ears for 14 years. had mri...no brain tumor. sometimes louder for weeks...then quieter, constant. relief?

Tinnitis: You have something called tinitus. There are some treatable causes. If looking for them on mri, you need the scan performed in a way specifically looking for reversible causes. A standard MRI just looking for a tumor may not cut it. Also a high resolution ct scan of the temporal bones with contrast may be better. If those are negative, an ENT doctor can help you with symptomatic treatments.