Symptoms (I have chronic sinusitis) - dizziness when moving quickly to the left, left facial numbness,  left ear feels like there is something behind it.  Had an audiologist test and hearing normal and did the dizziness test and all was normal.  Saw a specialist and had an MRI.  It showed left sided mastoid muscosal thickening, brain lesions on white matter, and what may be a synovial cyst on the left Transmandibular joint.  ENT has said the report for the MRI is normal.  The symptoms are still there.   What else could it be?
Hello and welcome to Chat Doctor, The chronic sinusitis that you have mentioned needs to be managed. You need to take appropriate medication when ever you get an attack of sinusitis. The MRI has shown a cystic lesion in the temporomandibular joint (TM joint) and some lesions in the white mater. White mater is the part of CNS comprised of neurons surrounded by an insulating layer. White mater is responsible for transmission of nerve conduction. Any lesion in the white mater interferes with the transmission of nerve impulses depending on the part of brain involved. You need to consult a neurologist for further management. The cyst in the TM joint can be aspirated using FNAC technique. You need to consult a surgeon for treatment of this cystic lesion. Thanks and take care Chat Doctor.