In search of a noninvasive, image-based alternative, Sadow et al. investigated whether CT urography can accurately detect bladder cancer in patients at risk for the disease. A total of 838 CT ...

and there are situations when a patient is subjected to more than 10 CT scans in a follow up period of 5 years. Urological procedures like intravenous pylography (IVP) or intravenous urography (IVU) ...

IV: Excretory Urography (normal renal function): 1mL/kg; max 100mL. IV: CT of head: 50–200mL; CT of body (single phase contrast): 50–200mL bolus inj or 100–200mL rapid infusion; max 200mL.