Transcription of Introduction to Digital Subtraction Angiography
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Introduction to Digital Subtraction Angiography
To DigitalSubtraction AngiographyIntroduction to DigitalSubtraction AngiographyDigital Subtraction Angiography (DSA) is a newradiographic technology used in diagnosing vas-cular disease. DSA is employed to obtain imagesof arteries in various parts of the body and ishighly effective in contrasting arterial structureswith their surrounding bone and soft tissue (3).DSA has proven especially useful in the identifica-tion of vascular abnormalities, including occlu-sions, stenoses, ulcerated plaques, and aneurysms(21,58,107).
Digital subtraction techniques have also been used for imaging of the abdominal, car-diac, pulmonary,carotid, intracerebral, and peripheral vessels. Table 3-1 provides an overview of the range of attempted applications of DSA im-aging technology reported in the literature. Be-Figure 3-1.—Diagram of a Digital Subtraction Angiography (DSA ...
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