I had a very large glomus jugulaire a few years ago on the right side ,i had major surgery followed by six weeks of radiotheraphy .Afew months ago i started to lose the hearing in my left ear and noticed the familar pulsing i had a ct and mri which were inconclusive so my consultant decided to put a grommet in my ear to see if it helped well the short answer is it has made no difference at all. I have a family history of paragangoliomas with all my sibling having carotiod bi lateral tumors. My question is should i be concerned and is it possible for the scans to have missed another mass