Common "Sigmoid Sinus Diverticulum" queries answered by top doctors | iCliniq

Sigmoid Sinus Diverticulum

Sigmoid sinus diverticulum is a vascular condition that occurs due to the presence of an opening in the sigmoid sinus creating a diverticulum (pouch). The cause of a sigmoid sinus diverticulum is a bony defect in the sinus plate. A common symptom of a sigmoid sinus diverticulum is hearing a rhythmic thumping or throbbing sound in one or both ears. Endovascular coiling of the diverticulum is usually the choice of treatment.

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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 icliniq.com. 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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