CT was performed 1–2 months after TACE using a multi-detector scanner (Somatom Definition AS + 128, Siemens Healthineers, Erlangen, Germany; Aquilion one 320, Toshiba Medical Systems, Tokyo, Japan; or Brilliance 128, Philips Healthcare, Best, The Netherlands). Contrast-enhanced scanning was conducted by intravenously injecting a bolus of a non-ionic contrast agent (1.5 mL/kg; Ultravist 350, Bayer Healthcare, Berlin, Germany), followed by a 30 mL saline flush (rate, 3 mL/s). Scans were started at 6 s (arterial phase) after a trigger threshold of 100 HU was reached at the abdominal aorta. Venous phase scanning was performed 35 s after the arterial phase, and delayed phase scanning was performed 120 s after the venous phase. Scanning parameters were set as follows: 200–250 mAs, 120 kVp, and 0.6–0.625 mm detector collimation. CT images were reconstructed using a 3-mm slice thickness/reconstruction interval. Some patients underwent MR examinations as previously described, which was performed 1–2 months after TACE.
Ultravist 350
Manufactured by Bayer
Sourced in Germany
Ultravist 350 is a non-ionic iodinated contrast medium used in radiological procedures. It is a sterile, pyrogen-free, aqueous solution for injection, containing 350 mg of the active ingredient iopromide per milliliter.
Automatically generated - may contain errors
2 protocols using ultravist 350
1
CT Imaging Protocol for Post-TACE Evaluation
2
Multi-phasic Contrast-Enhanced CT Imaging Protocol
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Multi-phasic contrast-enhanced-CT scans were performed using multi-detector CT scanner (Brilliance 128, Philips, Best, The Netherlands, Somatom sensation 64, Siemens, Erlangen, Germany or Aquilion one 320, Toshiba, Tokyo, Japan) in patients who had fasted more than 8 h. To achieve gastric distention, 600-800 ml tap water was ingested before CT examination. Scan parameters were collimation of 0.625-1 mm, gantry rotation time of 0.5-0.75 s, 120 kV and 250 mAs. Contrast-enhanced scanning was conducted after a bolus intravenous injection of 1.5 ml/kg of non-ionic contrast agent (Ultravist 350, Bayer healthcare, Berlin, Germany) followed by 30 ml saline flush at a rate of 3 ml/s. Scans were started at 6 s (arterial phase), 46 s (venous phase), and 96 s (delayed phase) after a trigger threshold of 100 Hounsfield unit (HU) was reached at abdominal aorta. All images were reconstructed with slice thickness/interval of not thicker than 5 mm for clinical analysis.
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