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
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
2/8/20<strong>12</strong><br />
AVM: Associated Abnormalities<br />
• Flow-related<br />
aneurysm on feeding<br />
artery: 10-15%<br />
• Intranidal aneurysm:<br />
>50%<br />
• <strong>Vascular</strong> “steal”:<br />
Ischemia in adjacent<br />
brain<br />
Increased Risk of Hemorrhage<br />
• Location<br />
– Periventricular<br />
– Basal ganglia<br />
– Thalamus<br />
NECT<br />
• Arterial<br />
– Pedicle aneurysm<br />
– Intranidal aneurysm<br />
• Difficult to detect by MR<br />
• Venous<br />
– Central venous drainage<br />
– Obstruction of venous outflow<br />
– Varix<br />
• Small nidus<br />
NECT<br />
AVM: Treatment<br />
• Embolization<br />
• Radiation: Stereotaxic<br />
radiosurgery<br />
– Eloquent<br />
•Surgery<br />
Combination<br />
6
Change language