A virtual colonoscopy is doing a colonoscopy with an x-ray machine. Instead of a physician, a gastroenterologist using an instrument to go up into a colon, there's no instrument involved, you're ...

During a colonoscopy, a doctor examines the inside of the colon and rectum by inserting a colonoscope, a thin, flexible instrument that sends images to a TV screen or computer.

Unclean colonoscopy instruments: 3 in 20 have ‘dirt’ from colons An endoscope used in colon examinations. Three in 20 instruments failed a recent cleanliness test.

Unclean colonoscopy instruments: 3 in 20 have ‘dirt’ from colons An endoscope used in colon examinations. Three in 20 instruments failed a recent cleanliness test.

In his op-ed “Colonoscopy Prep Is Worse Than IKEA” (June 3), Jim Sollisch gives readers the impression that there has been a universal shift to a three-day bowel preparation for colonoscopies ...