Comparison of Angular and Combined Automatic Tube Current Modulation Techniques with Constant Tube Current CT of the Abdomen and Pelvis
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- 1 March 2006
- journal article
- research article
- Published by American Roentgen Ray Society in American Journal of Roentgenology
- Vol. 186 (3) , 673-679
- https://doi.org/10.2214/ajr.04.1513
Abstract
OBJECTIVE. The objective of our study was to compare image quality and radiation dose associated with abdominopelvic CT using combined modulation, angular modulation, and constant tube current.CONCLUSION. Compared with using a constant tube current to scan the abdomen and pelvis, the use of a combined modulation technique results in a substantial reduction (42-44%) in radiation dose with acceptable image noise and diagnostic acceptability.Keywords
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