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Sigmoid sinus diverticulum

Case contributed by Ahmed Abdrabou
Diagnosis certain

Presentation

Right sided sensory neural hearing loss and pulsatile tinnitus

Patient Data

Age: 50 years old
Gender: Female
mri

A diverticulum is seen arising from the proximal segment of right sigmoid sinus and extending to the mastoid air cells.It is evident in thin cuts gradient images and confirmed after contrast administration. No thrombus inside.

Case Discussion

Sigmoid sinus diverticulum is a known cause of pulsatile tinnitus and sometime requires surgery or event endovascular treatment.

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