Vascular Malformations Smith 12-12-2012 - Inova Health System
Vascular Malformations Smith 12-12-2012 - Inova Health System
Vascular Malformations Smith 12-12-2012 - Inova Health System
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2/8/20<strong>12</strong><br />
AVM Imaging: CT<br />
• Variable<br />
Hemorrhage<br />
• Calcification: 25-30%<br />
• Enhance postcontrast<br />
• CTA: Enlarged<br />
arteries & draining<br />
veins<br />
CECT<br />
AVM<br />
NECT<br />
NECT<br />
<br />
<br />
AVM Imaging: MRI<br />
• Flow Voids: “Bag of<br />
worms”<br />
• Variable hemorrhage<br />
– “Blooming” on T2* GRE<br />
• T2: Increased signal<br />
gliosis<br />
• Contrast: Strong<br />
enhancement<br />
• MRA/MRV<br />
T2 FLAIR<br />
4
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