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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: AJR Am J Roentgenol. 2014 Aug;203(2):329–335. doi: 10.2214/AJR.13.11811

Table 1.

Bolus timing for designated enhancement groups.

Phase of enhancement Time in seconds after start of bolus injection Group Protocols including the specified phase
Arterial ~35 Early

  • Aorta

  • Renal mass post ablation
Portal venous 65 Middle

  • Abdomen/pelvis

  • Adrenal mass
Venous delay ~90

  • Post-endograft aorta
Nephrographic 120

  • Renal mass

  • Renal mass post ablation
Excretory 600 Late

  • CT urogram

  • Renal mass post ablation
Adrenal mass protocol delay 900

  • Adrenal mass