The need for specific procedures during EUS will be specifically discussed prior to the EUS procedure being performed. EUS and biopsy/ Fine needle aspiration (FNA).The endoscope also has a 'side channel' down which instruments can pass.Īdditional procedures that may be required include: The echo-endoscope can also be inserted into the back passage and through the colon, to analyse structures in the wall of the lower gut and beyond. Your consultant will have recommended that you have an endoscopic ultrasound to detect and assess diseases of the gastrointestinal tract, such as IBD, colon cancer, and pancreatitis. EUS allows detailed images to be obtained not only of the lining of the upper gut (as with standard endoscopy), but also of areas beyond the gut lining, including the lungs, pancreas, liver, gallbladder and stomach. The endoscope is passed by your doctor through your mouth and down the oesophagus, through your stomach and into the duodenum. The echo-endoscope is a thin flexible tube (about as wide as a finger), on the end of which is a bright light and a tiny digital camera, and a small ultrasound probe. An endoscopic ultrasound scan (EUS) combines two types of test – endoscopy and ultrasound.

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