An intravenous urogram (IVU) is sometimes called an intravenous pyelogram (IVP), It is a test that looks at the whole of your urinary system. It looks at the
- · Tubes that connect them (ureters)
The test uses a colourless dye, also called contrast medium. This shows up the soft tissues of the urinary system on a normal X-ray. It can show if cancer is growing in any part of your urinary system. The cancer will show up as a blockage or an irregular outline on the wall of the bladder or ureter.