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Tests to diagnose

You might have one or more of these tests. The hospital doctor might also do an examination of your back passage (rectum) called a digital rectal examination. Wearing gloves, your doctor will feel inside your rectum using their finger.

Flexible sigmoidoscopy

Find out what a flexible sigmoidoscopy is, how you have it and what happens after it.

Colonoscopy

Find out what a colonoscopy is, how you have it and what happens after it.

CT Colonography

Find out what a CT colonography is, how you have it and what happens after it.

Barium enema

Find out what a barium enema is, how you have it and what happens after it.

Blood tests

Find out what a blood test is, how you have it and what happens after it.

Information and help