What is CVST?
Cerebral venous sinus thrombosis is a rare stroke type caused by blood clots in the brain's venous sinuses — affecting the venous system, not arteries. Most common in young women.
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Symptoms
Severe progressive headache (most common), seizures, focal deficits, altered consciousness, papilledema. Subacute onset over days to weeks.
Diagnosis and treatment
MRI/MR venography or CT venography shows the clot. Anticoagulation is highly effective — ~80% recover well.