Examining the proximal colon for 3 minutes or longer during screening colonoscopy may improve detection of flat adenomas.

WASHINGTON -- A colonoscopy has been called by some doctors the "save your life screening test" because the procedure is so successful in finding precancerous polyps, removing them and preventing ...

You may need a colonoscopy before age 45 if you have colon cancer symptoms or want to diagnose a gastrointestinal condition.

Doctors could lower the death rate from colon and rectal cancer by 30 percent if they checked all older Americans once every 10 years with widely available viewing scopes, a study concludes. Many ...

It's a procedure people don't even want to talk about, let alone have done, but there might finally be a way to make getting a colonoscopy more tolerable. Virtual colonoscopy uses a CT scanner to ...

NEW YORK -- Having an X-ray to look for signs of colon cancer may soon be an option for those who dread the traditional scope exam. Two of the largest studies yet of "virtual colonoscopy" show the ...

Dear Dr. Donohue: Will you talk about colon polyps? I had polyps removed during a colonoscopy. My doctor recommends another colonoscopy in three years. I have retired, and my insurer has declined to ...

Dear Dr. Gott: Please discuss the difference between a flexible sigmoidoscopy and a colonoscopy. At 50, I recently had the former. Several of my family members and acquaintances have argued that a ...