Several tests can be done to check and verify the condition of the colon. Enumerated below are some of it.
Stool in occult blood testing – A test for blood in the stool. If blood is in the stool, a colonoscopy is usually needed to look for the source.
Colonoscopy – An endoscope flexible tube with a camera on its tip is inserted into the rectum and advanced through the colon.
Virtual Colonoscopy – A test in which an X-ray machine and a computer create images of the inside of the colon. If problems are detected a traditional colonoscopy is needed.
Sigmoidoscopy – An endoscope is inserted into the rectum and advanced through the left side of the colon. This cannot be used to view the middle and the right side of the colon.
Colon biopsy – During colonoscopy, a small piece of colon tissue maybe removed for testing. This can help diagnose cancer, infection or inflammation.