Cerebral venous sinus thrombosis (cvst) is an underdiagnosed neurological condition with variable clinical presentations and variable risk factors CVST is often an underdiagnosed cause of acute or slowly progressive neurological deficit.

With increasing awareness of the entity and easy accessibility to the non-invasive test like CT and MRI scans,CVST cases are now being diagnosed more frequently and it is now thought to occur more commonly than previously assumed.it is also probably true that this condition is more frequent in underdeveloped countries

Inclusion Criteria:

1. All patients admitted to the neurology department and ER of an assuit university hospital with the diagnosis of venous sinus thrombosis
2. accepting to participate in the study
3. of both sex above 18 years and below 70 years

Exclusion Criteria:

• 1. any case evident to have neurological deficit due to cause other than venous sinus thrombosis 2. patients refused to participate in this study 3-patients with uncertainty about her imaging study

Patients of both sex above 18years and below 70years presenting to Assiut University Hospital with cerebral venous sinus thrombosis