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 />
Cavernous Malformation: Imaging<br />
• Little or no mass effect<br />
– Unless complicated by<br />
hemorrhage<br />
• May have internal areas<br />
of thrombosis or<br />
hemorrhage<br />
– Peripheral hemosiderin<br />
causes T2 shortening<br />
resulting in a black<br />
“halo” around the lesion<br />
T2<br />
Cavernous Malformation<br />
T2<br />
Cavernous Malformation<br />
NECT<br />
CT T1+Gd Findings<br />
-Negative : 30-50%<br />
-40-60% Ca++<br />
-No mass effect<br />
-Surrounding brain<br />
normal<br />
-Little or no enhance<br />
-CTA usually negative<br />
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