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25 Possible Causes for Dilated Venous Sinuses

  • Atrial Septal Defect

    The venous sinuses were enlarged.[jpma.org.pk] The large vascular channel drained into an enlarged and prominent Internal Jugular Vein and Superior Vena Cava (SVC) was dilated. [(0)] Figure 1.[jpma.org.pk]

  • High Output Heart Failure

    Aneurysmal malformation of the vein of Galen (a type of AVM with a dilated Galenic system serving as the venous outflow for an adjacent adenoma) typically results in high[hawaii.edu] The vein of Galen is located under the cerebral hemispheres and drains the anterior and central regions of the brain into the sinuses of the posterior cerebral fossa.[hawaii.edu]

  • Pilonidal Cyst

    sinuses of the dura mater, emptying into the cavernous sinus. s's of spleen dilated venous sinuses found in the splenic pulp; they are not lined by ordinary endothelial cells[medical-dictionary.thefreedictionary.com] […] end of any of the 15-20 lactiferous ducts, which convey milk from the mammary glands during lactation. lateral sinus Either of two large venous sinuses in the inner side[medical-dictionary.thefreedictionary.com] […] cavernous and intercavernous sinuses form a circle -- the circular sinus -- that enwraps the sella turcica. lactiferous sinus Immediately inside the tip of the nipple, the dilated[medical-dictionary.thefreedictionary.com]

  • Reversible Cerebral Vasoconstriction Syndrome

    MRI with venous sequences confirmed SAH and excluded cerebral sinuses thrombosis (Figure 1).[austinpublishinggroup.com] Non invasive angiography (MR angiography) and invasive angiography demonstrated a wide segmental vasoconstriction of the cerebral arteries with dilatations of the post-stenotic[austinpublishinggroup.com]

  • Blue Rubber Bleb Nevus Syndrome

    B, Venous phase of a left vertebral angiogram shows substantial venous stagnation in the posterior fossa. Note the dilated premedullary and retromedullary veins.[ajnr.org] It is supplied by both the occipital and middle meningeal arteries and drains in a retrograde fashion in the superior sagittal and straight sinuses.[ajnr.org]

  • Atrial Septal Aneurysm

    The venous sinuses were enlarged.[jpma.org.pk] The large vascular channel drained into an enlarged and prominent Internal Jugular Vein and Superior Vena Cava (SVC) was dilated. [(0)] Figure 1.[jpma.org.pk]

  • Exertional Headache

    […] blood return, leading to dilatation of the venous sinuses and veins at the base of the brain.[nursing.advanceweb.com] It is felt that the etiology of these headaches is vascular, possibly due to exertional increases cerebral arterial pressure, causing the pain-sensitive venous sinuses at[cptips.com] […] using single-photo-emission computed tomography of the brain. 13 The valsalva maneuver apparently increases arterial pressure in the central nervous system and diminishes venous[nursing.advanceweb.com]

  • Dural Sinus Malformation

    It appears as hugely dilated dural venous sinuses with presence or absence of partial or complete thrombosis.[radiopaedia.org] Dural sinus malformations (DSMs) are congenital vascular malformations characterized by massive dilatation of one or more dural venous sinuses.[radiopaedia.org] […] are mostly symptomatic which includes microcrania, mental retardation and symptoms associated with venous infarct and parenchymal hemorrhage .[radiopaedia.org]

  • Macrocephaly

    Concurrently, with the development of these findings, ventriculomegaly (frequently obstructive) and dilated dural venous sinuses were observed in conjunction with prominent[ncbi.nlm.nih.gov]

  • Orthostatic Proteinuria

    venous sinuses and adjacent renal calyces [ 10 ].[ndt.oxfordjournals.org] […] haematuria may result from increased LRV pressure causing minute rupture of thin‐walled veins into the collecting systems or calyceal fornix [ 9 ] or communication between dilated[ndt.oxfordjournals.org]

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