Common "Dural Arteriovenousfistula" queries answered by top doctors | iCliniq

Dural Arteriovenousfistula

A dural arteriovenous fistula is a condition of having abnormal connections between an artery and a vein in the rigid structure called dura mater. In rare cases, these strange passages may also occur in the brain, spinal cord, or other body parts. Causes are still unclear, although some evidence shows traumatic injuries are the probable cause for this problem. The affected patients may have severe headaches, tinnitus, stroke-like and dementia-like symptoms. CT (computed tomography) and MRI (magnetic resonance imaging) scans might help diagnose dural arteriovenous fistula. Endovascular embolization is the standard treatment advised for dural arteriovenous fistula. Microsurgery and stereotactic radiosurgery are the other options suggested for dural arteriovenous fistula.

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Does my MRI show the cause of tinnitus?

Query: Hi doctor, My issue is that around six months before I started getting tinnitus in both my ears. A month later, I had an MRI and a couple of neurologists said that the MRI is fine. I was referred to an ENT doctor. One ENT doctor said that all is fine after several audiography tests. Now, three weeks...  Read Full »

Dr. K. Murali

Answer: Hi, Welcome to Your MRI looks grossly normal. In an unexplained tinnitus like this, you need further investigations to rule out two rare conditions, jugular bulb abnormalities and sigmoid sinus diverticulum (sinus wall abnormality). You will require high resolution CT of the tempor...  Read Full »

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