Colonoscopy
A colonoscopy is an exam used to look for changes — such as swollen, irritated tissues, polyps or cancer — in the large intestine and rectum.
During a colonoscopy, a long, flexible tube is inserted into the rectum. A tiny video camera at the tip of the tube allows the doctor to view the inside of the entire colon.
Polyps or other types of abnormal tissue can be removed through the scope during a colonoscopy. Biopsies can be taken during a colonoscopy as well.
Why and when is it done
Colonoscopy might be recommended to
- Investigate intestinal signs and symptoms
- Screen for colon cancer
- Removal of additional polyps in case of previous cases
- Treatment of colon related conditions
Benefits of Colonoscopy
- Its efficient in detection of signs and symptoms
- All in one for diagnosis, treatment and prevention of cancer
- Low frequency of tests
Risks associated with Colonoscopy
While Colonoscopy is a very safe procedure, it does carry certain risks which come with every procedure. Rare complications of colonoscopy may include:
- Reaction to the sedation or anesthesia
- Bleeding in case of a biopsy
- Tear of the colon of rectum wall
How is the procedure performed
- Follow a special diet and take laxative a day before the test to clean out your colon
- Sedation or anesthesia will be given as required
- The colonoscope will be inserted into the the rectum once you lie down
- As the colonoscope passes through your colon, a tiny camera transmits image to be monitor
- Gentle air pressure might be passed to inflate your colon for better examination
- Surgical tools can be passed through the colonoscope to get a biopsy or remove a polyp
