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You have been referred to have an endoscopic ultrasound, or EUS, a specialized procedure that combines endoscopy and ultrasound. EUS can (1) help identify the cause of your symptoms/conditions and/or (2) perform sampling and treatments for various disorders.

What is EUS?

Endoscopic ultrasound (EUS) is a specialized procedure for ultrasound examination of the upper and lower gastrointestinal tract and surrounding organs. The upper tract consists of the esophagus, stomach and duodenum (the first part of the small intestine). The lower tract includes your colon (large intestine) and rectum. EUS is also used to study other organs near the gastrointestinal tract, including the liver, bile ducts, gallbladder and pancreas.

Physicians who perform EUS are highly trained specialists in gastroenterology. To perform EUS, your doctor will use a thin, flexible tube called an endoscope that has a built-in miniature ultrasound instrument at its tip. The endoscope will be passed through your mouth or anus to the area that is to be examined, and ultrasound images will be taken. 

  • Understanding Endoscopic Ultrasonography
    Category: Understanding Endoscopic Ultrasonography

    Understanding Endoscopic Ultrasonography You have been referred to have an endoscopic ultrasound, or EUS, a specialized procedure that combines endoscopy and ultrasound. EUS can (1) help identify the cause of your symptoms/conditions and/or (2) perform sampling and treatments for various disorders. What

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