From: Non-contrast CT image characteristics on admission predict the 3-month outcome of cerebral venous sinus thrombosis: an observational study in a single institution
Classification
Image characteristics of non-contrast CT
I
No obvious abnormality
II
Simple cerebral venous infarction
III
Cerebral venous infarction with subarachnoid hemorrhage
IV
Cerebral venous infarction with hematoma