Comparison of angular and combined automatic tube current modulation techniques with constant tube current CT of the abdomen and pelvis.
cross_sectional · Level IV
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- Record sourced from PubMed, PMID 16498094.
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Abstract
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. 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.
Medical subject headings
- Radiography, Abdominal
- Tomography Scanners, X-Ray Computed