| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4219347 | Academic Radiology | 2008 | 6 Pages |
Abstract
Lower effective doses are obtained in 64-row MDCT compared to 16-row MDCT (0.5-mm slice thickness) provided that scan length exceeds 12.3, 30, and 25 cm, for 16-row MDCT slice thickness of 0.5, 1, and 2 mm, respectively. Reduced effective dosage in 64-row MDCT compared to 16-row MDCT has not been demonstrated before. Differences in object size may thus explain discrepancies between previous studies with regard to the exposure levels at 64-slice CT compared to 16-slice CT.
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Authors
Roy PhD, MSc, Henk B.K. de Vries, Paul E. PhD,