Vein of Galen aneurysmal malformation (VGAM)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Vein of Galen aneurysmal malformation (VGAM). This is a congenital vascular malformation. Fully referenced neurology checklist.
Anatomy
- This is a congenital vascular malformation
- It results from the persistence of the vein of Markowski
- This is the embryonic median prosencephalic vein
- It may be caused by mutations in the EPHB4 gene
Epidemiological features
Locked: subscribe to see this section.
Lasjaunias classification
Locked: subscribe to see this section.
Yasargil angiographic classification
Locked: subscribe to see this section.
Clinical presentation
Locked: subscribe to see this section.
Complications
Locked: subscribe to see this section.
Magnetic resonance imaging (MRI) features
Locked: subscribe to see this section.
Investigational tests
Locked: subscribe to see this section.
Treatment
Locked: subscribe to see this section.
Poor prognostic features in foetal cases
Locked: subscribe to see this section.
Other pineal vascular malformations
Locked: subscribe to see this section.
References
- Smirniotopoulos JG, Rushing EJ, Mena H. Pineal region masses: differential diagnosis. Radiographics 1992; 12:577-596.
- Moon JH, Cho WS, Kang HS, Kim JE, Lee SJ, Han MH. Vein of galen aneurysmal malformation: endovascular management of 6 cases in a single institute. J Korean Neurosurg Soc 2011; 50:191-194.
- Vivanti A, Ozanne A, Grondin C, et al. Loss of function mutations in EPHB4 are responsible for vein of Galen aneurysmal malformation. Brain 2018; 14:979-988.
- Jones BV, Ball WS, Tomsick TA, Millard J, Crone KR. Vein of Galen aneurysmal malformation: diagnosis and treatment of 13 children with extended clinical follow-up. Am J Neuroradiol 2002; 23:1717-1724.
- Chow ML, Cooke DL, Fullerton HJ, et al. Radiological and clinical features of vein of Galen malformations. J Neurointerv Surg 2015; 7:443-448.
- And 11 more. Subscribe to see the full list