dural venous sinuses

(redirected from Dural venous)

du·ral venous si·nus·es

endothelium-lined venous channels in the dura mater.
Farlex Partner Medical Dictionary © Farlex 2012

du·ral ve·nous si·nus·es

(dūr'ăl vē'nŭs sī'nŭs-ĕz) [TA]
Endothelium-lined venous channels in the dura mater.
Synonym(s): venous sinuses.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
This is a blood clot in the dural venous sinuses, which drain blood from the brain, and was diagnosed following a week of severe migraines.
Alper et al [9] used time of flight magnetic resonance venography in assessing the normal anatomy of dural venous sinuses.
Current endovascular treatment options of dural venous sinus thrombosis: a review of the literature.
(11) Other intracranial findings may include: subdural hygromas or hematomas, enlargement of the pituitary gland, ventricular collapse, engorged dural venous sinuses or plexus, and superficial siderosis.
The cerebral veins coursing beneath deep surface of arachnoid matter are further drain to the nearest dural venous sinuses.
It is also important to note that erythrocytosis can present with a subarachnoid hemorrhage (nontraumatic by case reports) and dural venous sinus thrombosis (4); therefore, suspicion of erythrocytosis should be confirmed by MRI.
Multiplanar postcontrast images showed diffuse pachymeningeal enhancement, sagging of the SCC, narrowing of the suprasellar cisterna, enlargement of the pituitary gland, and distension of the dural venous sinuses (Figure 3).
Depressed skull fracture over superior sagittal sinus (SSS) is the commonest type of dural venous sinus injury with significant morbidity and mortality.
Although the exact mechanism is unknown, it is highly indicative that CSF hypovolemia causes decrease of intracranial pressure, thereby causing enlargement of dural venous sinuses that becomes an important factor in the pathogenesis of subdural hemorrhage.
Classically, it may show hyperdensity of a cortical vein or dural venous sinus (Figures 4(b) and 4(c)) [6].
Repeat MRI scan of the brain with and without contrast and magnetic resonance venogram (MRV) 10 days after the initial imaging showed significant improvement in the "mass" with patent dural venous sinuses and cortical veins (Figure 1(b)).
Patient had a history of acute left middle cerebral artery infarct with dural venous sinus thrombosis and is on oral anticoagulation with tablet Warf.