A CT urography is a ct test of the urinary tract. It shows kidneys, ureters and bladder with contrast. Typical effective dose 10 to 15 mSv, similar to about 3 to 5 years of natural background radiation (about 3 mSv a year).
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Kidneys, ureters and bladder with contrast.
Blood in the urine.
Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.
Typical effective dose 10 to 15 mSv, similar to about 3 to 5 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
15 to 30 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
CT
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does a ct urogram show?
Kidneys, ureters and bladder with contrast.
Why is a ct urogram done?
Blood in the urine.
How do I prepare for a ct urogram?
Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.
Does a ct urogram use radiation?
Typical effective dose 10 to 15 mSv, similar to about 3 to 5 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
How long does a ct urogram take?
15 to 30 minutes
Why is CT urography done?
Blood in the urine.
How do I prepare for CT urography?
Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.
Is CT urography safe in pregnancy?
Typical effective dose 10 to 15 mSv, similar to about 3 to 5 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.