Polyps and cancers of the colon.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Polyps and cancers of the colon. What it shows: Polyps and cancers of the colon. generated by SI from cited sources · general information, not a diagnosis · consult a health professional
Polyps and cancers of the colon.
Bowel cancer screening or when colonoscopy is not possible.
Bowel preparation the day before, as instructed; a small tube in the rectum gently inflates the bowel.
Typical effective dose 5 to 8 mSv, similar to about 2 to 3 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 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
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.
Why is CT colonography (virtual colonoscopy) done?
Bowel cancer screening or when colonoscopy is not possible.
How do I prepare for CT colonography (virtual colonoscopy)?
Bowel preparation the day before, as instructed; a small tube in the rectum gently inflates the bowel.
Is CT colonography (virtual colonoscopy) safe in pregnancy?
Typical effective dose 5 to 8 mSv, similar to about 2 to 3 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.