 | This article needs additional citations for verification. (June 2013) |
| Digital subtraction angiography | |
|---|---|
 Example of iodine-based contrast in cerebral angiography | |
| MeSH | D015901 |
Digital subtraction angiography (DSA) is a 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 mask from subsequent images, once the contrast medium has been introduced into a structure. Hence the term "digital subtraction angiography.[1][2] Subtraction angiography was first described in 1935 and in English sources in 1962 as a manual technique. Digital technology made DSA practical starting in the 1970s.[3][4]
- ^ Glick, Yair. "Digital subtraction angiography | Radiology Reference Article | Radiopaedia.org". Radiopaedia. Retrieved 2021-09-29.
- ^ Martin, Elizabeth (2015). Concise Medical Dictionary. Oxford: Oxford University Press. ISBN 9780199687817.
- ^ Jeans, W. D.; Stout, Paul (March 1990). "The development and use of digital subtraction angiography". The British Journal of Radiology. 63 (747): 161–168. doi:10.1259/0007-1285-63-747-161. PMID 2185864.
- ^ Hanafee, William; Stout, Paul (October 1962). "Subtraction Technic". Radiology. 79 (4): 658–661. doi:10.1148/79.4.658. PMID 13952459.