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 ...

Initial CT of the abdomen was unremarkable. 3 weeks later ... during the excretory phase. 13 If the patient is unstable and requires a laparotomy, 'one-shot' intravenous urography can be performed ...

Intra-arterial (Cerebral arteriography): Carotid arteries: 3–12mL ... Excretory Urography (normal renal function): 1mL/kg; max 100mL. IV: CT of head: 50–200mL; CT of body (single phase ...