Endoscopy & Colonoscopy
An endoscopy is a procedure done to examine structures inside your body up close. During an endoscopy, a healthcare provider places a long, thin tube (endoscope) inside your body until it reaches the organ or area they need to check.
The end with the lens is inserted into the patient. Light passes down the tube (via bundles of optical fibres) to illuminate the relevant area, and the video camera magnifies the area and projects it onto a television screen so the doctor can see what is there. Usually, an endoscope is inserted through one of the body’s natural openings, such as the mouth, urethra, or anus.
Why is an endoscopic ultrasound required?
Often, for disorders relating to the digestive system, the cause cannot be accurately determined superficially and thus endoscopic ultrasound is recommended by the doctors to be exactly sure about the underlying cause.
The symptoms that may call for an endoscopy are:
- persistent abdominal pain
- diarrhoea that doesn’t respond to medicines
- blood in stool
- blood while vomiting
- nausea and weight loss
- To check for abnormalities in gallbladder or liver
- To determine diseases like pancreatitis
- To evaluate the stages of cancer
- To study the intestinal wall
- During surgery
A colonoscopy is a procedure that lets your health care provider check the inside of your entire colon (large intestine). The procedure is done using a long, flexible tube called a colonoscope. The tube has a light and a tiny camera on one end. It is put in your rectum and moved into your colon.
Your doctor may recommend a colonoscopy to:
- Investigate intestinal signs and symptoms. A colonoscopy can help your doctor explore possible causes of abdominal pain, rectal bleeding, chronic diarrhea and other intestinal problems.
- Screen for colon cancer. If you're age 45 or older and at average risk of colon cancer — you have no colon cancer risk factors other than age — your doctor may recommend a colonoscopy every 10 years. If you have other risk factors, your doctor may recommend a screen sooner. Colonoscopy is one of a few options for colon cancer screening. Talk with your doctor about the best options for you.
- Look for more polyps. If you have had polyps before, your doctor may recommend a follow-up colonoscopy to look for and remove any additional polyps. This is done to reduce your risk of colon cancer.
- Treat an issue. Sometimes, a colonoscopy may be done for treatment purposes, such as placing a stent or removing an object in your colon.
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