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dural venous sinuses
(redirected from Dural venous)

   Also found in: Wikipedia 0.01 sec.
dural venous sinuses,
endothelial-lined spaces between the outer periosteal and inner meningeal layers of the dura mater into which empty the cerebral veins, the cerebellar veins, and the veins draining the brainstem and that lead to the internal jugular veins.


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Dural Venous Sinus This sinus has venous channels that can be found between the layers of dura mater in the brain.
On enhanced CT, the thrombosed sinus may exhibit an empty delta sign, (36) a triangular contrast enhancement that is presumed to represent dilated collateral peridural and dural venous channels surrounding lower attenuation central thrombus (Figure 9).
Pathologically, no tumor deposits were found within dural venous sinuses since they often are involved subsequent to bony metastases.
 
 
 
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