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Digital subtraction angiography : ウィキペディア英語版 | Digital subtraction angiography
Digital subtraction angiography (DSA) is a type of fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a 'pre-contrast image' or the ''mask'' from later images, once the contrast medium has been introduced into a structure. Hence the term 'digital ''subtraction'' angiography'. ==Procedure==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Digital subtraction angiography」の詳細全文を読む
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