Cerebral Venous Sinus Thrombosis, a Nonenhanced CT Diagnosis?

Table 2

Distribution of CVST.

Vessel	Number of vessels with thrombus
Internal jugular vein	4
Transverse sinus	15
Sigmoid sinus	14
Superior sagittal sinus	11
Torcula herophili	2
Total vessels with CVST	46

CT: computed tomogaphy, NCT: non-enhanced CT, CTV: CT venogram, CVST: cerebral venous sinus thrombosis.