Mri for tinnitus. Case or any other mri.

Please suggest me some mri's to diagnose tinnitus. I feel its mostly either due to my jaw or something in eustachian tube or neck(near mastoid bone). As when i apply pressure in those places along with temple also, i get a sound flareup. Sometimes I get a tinnitus attack with weird sensation in my body. My ent had prescribed for brain mri which came fine, just mucosal thickening of ethmoid air cells came up due to which i am using steroid spray and camphor. Well, i am mostly worried about any strokes or anything happening so i just want to ruleout any serious disease like cancer, cartoid artery disease or smthing. Also i get this attack kind of thing in both ears(though left ear is majorly affected). Pta came fine, ia came fine, no hearing loss at all. I wld have gone to my ent for this but as covid cases spiked in our area so cldnt go. Please help me to diagnose my disease. I am really really scared bec of this. Plz let me know if neck mri will help in this case or any other mri..