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Signs of cerebral venous thrombosis on head CT scan

Signs of cerebral venous thrombosis on head CT scan

(A) Noncontrast head CT shows a hyperdense thrombosed cortical vein (arrow).

(B) Noncontrast head CT shows a hyperdensity in the torcula (arrow) and the straight sinus (arrowhead), a direct sign of dural sinus thrombosis (the dense triangle sign).

(C) Head CT with contrast shows non-filling of the confluent sinus (arrow), a direct sign of dural sinus thrombosis (the empty delta sign).

CT: computed tomography.
Graphic 59194 Version 6.0

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