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- W2281176260 abstract "Purpose: To clarify the difference between the bolus-tracking technique and a fixed scan delay protocol in the achievement of the optimal pancreatic phase of the pancreas with MDCT. Materials and Methods: 526 patients underwent pancreatic and portal venous phase imaging of the pancreas using 16-channel MDCT. All the examinations were randomized into either scanning using a bolus-tracking technique with a scan delay of 20s after the aorta was enhanced > 100 HU (groups 1 and 2) or scanning with a scan delay of 38 s from the beginning of the injection (groups 3 and 4). A contrast material of 300 mgI/mL (groups 1 and 3) or 370 mgI/mL (groups 2 and 4) at an injection speed of 3 mL/sec was injected at 2 mL/kg body weight. The pancreatic CT attenuation values were compared. Results: The scan delay times of the pancreatic phase in groups 1 and 2 were 38±3.8s and 37.4±3.4s, respectively. At the pancreatic phase, the pancreatic attenuation values of groups 1 and 2 were slightly higher than those of groups 3 and 4 (115.5±15.4 vs 111.7±15.1HU; p=0.093, 128.3±17.1 vs 119±17.1HU; p=0.003). There was no significant difference between groups at the portal venous phase. Conclusion: The use of a bolus-tracking technique in the optimal pancreatic phase of pancreatic CT does not significantly improve the pancreatic enhancement but does at higher iodine concentrations." @default.
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- W2281176260 date "2007-01-01" @default.
- W2281176260 modified "2023-09-27" @default.
- W2281176260 title "Variation of Attenuation Value of Pancreas at Dual Phase MDCT: Comparison of the Bolus-tracking Technique vs. the Fixed Scan Delay Protocol" @default.
- W2281176260 doi "https://doi.org/10.3348/jkrs.2007.56.3.267" @default.
- W2281176260 hasPublicationYear "2007" @default.
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