Questions and Answers
What is the purpose of the 'mask' image acquired before contrast injection in digital subtraction angiography?
To serve as a reference from removed background structure
Which imaging modality allows digital subtraction angiography to selectively visualize vascular structures by the difference between pre-contrast and post-contrast images?
Temporal subtraction
What is the most common percutaneous palliative procedure for unresectable malignant disease?
BILIARY DRAINAGE
What interventional radiologic procedure uses a multi-modality approach?
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What procedure involves putting a material into the inferior vena cava to trap and break up blood clots?
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