vein of Galen


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vein of Galen

The internal and great veins of the brain; venae internae et vena magna cerebri [NA6].

vein of Galen

A short midline unpaired vein between the cerebral hemispheres of the brain. It forms as the merger of the right and the left internal cerebral veins, and it bends upward (around the splenium of the corpus callosum) to empty into the straight sinus.
Synonym: great vein of Galen; great cerebral vein
See also: Galen, Claudius
References in periodicals archive ?
By Yasargil classification it is divided into four types; type I shows small cisternal fistula between the vein of Galen and the pericallosal arteries or posterior cerebral artery, type II showing multiple fistulae between the vein of Galen and the thalamoperforating vessels, type III is a mixed variety of type I and II and type IV: parenchymal arteriovenous malformation (AVM) with drainage into the vein of Galen.
Diagnosis and management of vein of Galen aneurysmal malformations.
He was transferred to Wellington Hospital and a magnetic resonance imaging (MRI) and further specialist investigation confirmed the primary diagnosis of Vein of Galen malformation.
5), (6) There is also a distinction between the VGM and the Vein of Galen aneurysmal dilation (VGAD) which are AVMs localised in the subpial space, which drain into a tributary of the vein of Galen, resulting in overload and dilatation.
That is how they were able to diagnose the Vein of Galen condition so early.
Vein of Galen malformation is a rare and usually fatal condition where an abnormal communication between the arteries and veins in the brain causes stress to the heart.
Although patients with high flow shunts through Vein of Galen abnormalities may present with severe cardiovascular abnormalities secondary to the shunt, our patient's presentation did not suggest significant cardiovascular impairment and pressure on the trachea from an abnormal cardiovascular structure such as an enlarged left atrium seemed unlikely.
The vascular lesions included 4 vein of Galen malformations, 2 cerebral aneurysms, 14 cerebral AVMs, 2 spinal AVMs, 1 posterior fossa dural AVF and 1 indirect acquired CCF.
Abstract: We report the case of a term newborn with vein of Galen aneurysm.
INTRODUCTION: 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.
Vein of Galen aneurysmal malformation (VOGM) is an arterio-venous fistula involving aneurysmal dilatation of the median prosencephalic vein of Markowski.

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