What is cerebral venous sinus thrombosis (CVST)?

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What is cerebral venous sinus thrombosis (CVST)?

Cerebral venous sinus thrombosis (CVST) is a blood clot in one of your brain’s larger veins. This rare issue makes up 1% of types of stroke.

When a blood clot blocks a major vein in your brain, your blood flows the wrong way. This increases the pressure in your brain and causes it to swell.

Typical locations for blood clots from CVST include your:

  • Transverse sinus.
  • Superior sagittal sinus.
  • Inferior sagittal sinus.
  • Sigmoid sinuses.
  • Cavernous sinus.
  • Deep sinuses of your cortex.

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