colonoscopy
C2Pronunciation
UK
- /ˌkɒ.ləˈnɒ.skə.pi/countableuncountablenoun
US
- /kɑ.ləˈnɑ.skə.pi/countableuncountablenoun
Description
- bowel screening
- internal colon examination
- preventive health check
Imagine your digestive system as a long, winding road. A colonoscopy is like sending a tiny camera down that road to look for any bumps—polyps or other potential problems—before they become serious. It's a crucial screening test used to detect and prevent colorectal cancer. Doctors use a long, flexible tube with a camera attached (a colonoscope) inserted into the rectum to view the entire length of the colon. While it might sound daunting, many people find the preparation is more challenging than the procedure itself! Think of it like getting your car checked regularly; preventive maintenance can save you from bigger issues down the line. Colonoscopies are often recommended starting around age 45, or earlier if there is a family history of colorectal cancer. "My doctor recommended I get a colonoscopy as part of my routine health checkup."
A colonoscopy is a medical procedure used to examine the inside of the colon (large intestine) and rectum. It's considered the gold standard for detecting and preventing colorectal cancer, one of the leading causes of cancer-related deaths worldwide. During a colonoscopy, a doctor inserts a long, thin, flexible tube with a camera and light source attached—called a colonoscope—into the rectum and slowly guides it through the entire length of the colon. The camera transmits live images to a monitor, allowing the doctor to visualize the lining of the colon and identify any abnormalities like polyps (small growths), ulcers, or tumors.
If polyps are found, they can often be removed during the procedure itself—this is called a polypectomy—and sent to a lab for analysis. This preventive step significantly reduces the risk of those polyps developing into cancer. Preparation for a colonoscopy involves thoroughly cleaning out the colon, usually through a special diet and laxative solution, which can be the most unpleasant part of the process. The procedure is typically performed with sedation to minimize discomfort. While generally safe, like any medical procedure, there are potential risks involved, such as bleeding or perforation (a tear in the colon wall), though these are rare.
Doctors recommend regular colonoscopies starting at age 45 for individuals with average risk and earlier for those with a family history of colorectal cancer or other risk factors. "After turning forty-five, my dad diligently followed his doctor's advice and scheduled a colonoscopy to stay on top of his health." It's an important step in maintaining good health and catching potential problems early when they are most treatable.
Examples
- 1
Medical advice
My doctor recommended a colonoscopy because of my symptoms.
Meaning
a colonoscopy
a medical test that lets doctors look inside the large intestine
- 2
Preparation
She's having a colonoscopy next week, so she has to follow a special diet the day before.
- 3
Preventive screening
At fifty, he booked a screening colonoscopy even though he felt fine.
Phrase
screening colonoscopy
one done to check for disease before there are any signs
Forms and spellings
4 forms open this card.
Main spelling
- colonoscopynounverb
Forms
- colonoscopiespluralnounverb
- colonoscopiedpast tenseverbnoun
- colonoscopying-ing formverbnoun