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Last Updated: March 02, 2022
The empty delta sign is a CT sign of dural venous sinus thrombosis of the superior sagittal sinus, where contrast outlines a triangular ...
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The empty delta sign is the best and most frequently seen CT sign of sagittal sinus thrombosis, present in approximately 35% of published ...
The empty delta sign consists of a triangular area of contrast enhancement that surrounds a hypoattenuating area and represents the thrombus ( ...
The empty delta sign is a finding that is seen on a contrast enhanced CT (CECT) and was first described in thrombosis of the superior ...
Subsequent enhanced CT showed the empty delta sign in the left sigmoid sinus, indicating thrombosis (figure, C, arrow).1 Venous phase of ...
The empty delta sign can probably be explained on the basis of the rich dural venous collateral circulation, consisting primarily of lateral lacunae, a vascular ...
Cerebral venous sinus thrombosis is an uncommon disorder that requires ... the region of the superior sagittal sinus (empty delta sign) [5].
sign), and the empty delta sign on contrast-en- ... Keywords: dural sinus thrombosis, CT angiography, ... previous thrombotic event (e.g., deep venous.
Superior sagittal sinus thrombosis: subtle signs on neuroimaging. ... empty delta sign: frequency and significance in 76 cases of dural sinus thrombosis.
3. Results ; Posterior cerebral artery, 2/5, 40.0 ; Middle cerebral artery, 1/5, 20.0 ; B. Cerebral venous thrombosis (n=24) ; Superior sagittal sinus (SSS) only, 8 ...
The venous angiography-CT revealed the empty delta sign within superior sagittal, right transverse and sigmoid sinuses, characterizing sinus thrombosis ...
venous sinus occlusion, was observed only on CT films taken one to four weeks after onset, ... called empty delta sign, clot in the sinus, dilated cere-.
Cerebral vein and dural sinus thrombosis (CVT) is less common than most ... The empty delta sign: frequency and significance in 76 cases of ...
4) and thus producing an empty delta sign. Watch out for Paccioni granulations, which also produce a focal filling defect in a venous sinus, but the latter is ...
A false-positive delta sign may occur in a trauma setting because of an adjacent subdural hematoma. The dural sinus normally may appear ...