How is CT colonography performed? In what scenarios is CT colonography particularly appropriate? What are the appropriate delay times for scanning in the arterial phase and portal venous phase for a 3 mL/s injection? What are the appropriate delay times for scanning the arterial phase for HCC and pancreatic carcinoma for a 3 mL/s injection? What are the phases of hepatic enhancement on CT? What is CT colonography? Book traversal links for CT ‹ Imaging Up How is CT colonography performed? ›