From the case: Active colonic bleeding: importance of preliminary non-contrast, arterial phase and delayed phase imaging on CT mesenteric angiography
From the case:
Active colonic bleeding: importance of preliminary non-contrast, arterial phase and delayed phase imaging on CT mesenteric angiography
CT
3 phase study ie preliminary non-contrast, arterial phase dynamic and delayed post contrast (5 minutes)

Axial C+ arterial phase