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 />
VOGM: MR Imaging<br />
• Flow voids<br />
• T1 hyperintensity<br />
– In pouch <br />
thrombus<br />
– In brain ischemia,<br />
calcification<br />
• DWI: Restricted<br />
diffusion if acute<br />
infarction<br />
T2<br />
T1<br />
VOGM: Angiography<br />
• Choroidal or mural<br />
• Dural venous sinus anomalies<br />
– Falcine sinus in 50%<br />
– +/- absence or stenosis of other sinuses<br />
Choroidal VOGM<br />
15
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