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Uptodate Reference Title
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 (small arrowhead) and the straight sinus (large arrowhead), a direct sign of dural sinus thrombosis (the dense triangle sign). (C) Head CT shows non-filling of the confluent sinus after contrast injection (the empty delta sign).