An endoscopy is a procedure used in medicine to look inside the body. The endoscopy procedure uses an endoscope to examine the interior of a hollow organ or cavity of the body. Unlike many other medical imaging techniques, endoscopes are inserted directly into the organ.
A long, thin tube with a small camera inside, called an endoscope, is passed into your body through a natural opening such as your mouth.
There are different types of endoscopy that look at different parts of the body.
Capsule endoscopy is a procedure that uses a tiny wireless camera to take pictures of your digestive tract. A capsule endoscopy camera sits inside a vitamin-size capsule you swallow. As the capsule travels through your digestive tract, the camera takes thousands of pictures that are transmitted to a recorder you wear on a belt around your waist.
Capsule endoscopy helps doctors see inside your small intestine — an area that isn't easily reached with more-traditional endoscopy procedures. Traditional endoscopy involves passing a long, flexible tube equipped with a video camera down your throat or through your rectum.
A colonoscopy (koe-lun-OS-kuh-pee) is an exam used to look for changes — such as swollen, irritated tissues, polyps or cancer — in the large intestine (colon) and rectum.
During a colonoscopy, a long, flexible tube (colonoscope) 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.
If necessary, polyps or other types of abnormal tissue can be removed through the scope during a colonoscopy. Tissue samples (biopsies) can be taken during a colonoscopy as well.
An upper endoscopy is a procedure a doctor uses to look at the inner lining of the upper digestive tract (the esophagus, stomach, and duodenum, which is the first part of the small intestine).
This test is also sometimes called an esophagogastroduodenoscopy, or EGD.
This procedure is done with an endoscope, a thin, flexible tube with a light and a small video camera on the end. The tube is put in through your mouth, down your throat, and into your esophagus, stomach, and small intestine.
Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure that combines upper gastrointestinal (GI) endoscopy and x-rays to treat problems of the bile and pancreatic ducts.
Your bile ducts are tubes that carry bile from your liver to your gallbladder and duodenum. Your pancreatic ducts are tubes that carry pancreatic juice from your pancreas to your duodenum. Small pancreatic ducts empty into the main pancreatic duct. Your common bile duct and main pancreatic duct join before emptying into your duodenum.
Doctors use ERCP to treat problems of the bile and pancreatic ducts. Doctors also use ERCP to diagnose problems of the bile and pancreatic ducts if they expect to treat problems during the procedure
A gastroscopy is a test to look inside your oesophagus (the tube that carries food from your mouth to your stomach), your stomach and the first part of your small bowel (duodenum). You may have a gastroscopy to help find what’s causing your symptoms. You can also have certain treatments during a gastroscopy.
Gastroscopy is usually done to investigate symptoms such as indigestion, nausea, or difficulty swallowing. It can show if there is inflammation, an ulcer or a polyp or other growth.
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