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