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updated: 2/26/2014 2:05 PM

What is Endoscopic Ultrasound (EUS)?

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Advocate Good Shepherd Hospital

Barrington, IL -- Endoscopic ultrasound (EUS) combines endoscopy and ultrasound; this procedure allows a doctor to obtain detailed images of the digestive track. The ultrasound portion uses sound waves thereby creating high quality images of internal organs. The images obtained with EUS are often more accurate and detailed than images provided by traditional ultrasound which must travel from the outside of the body.

EUS is also a less invasive method of performing biopsies and also helps avoid possible damage to surrounding organs.

Dr. Chad Spangler, a gastroenterologist with Advocate Good Shepherd Hospital, discusses the basics of EUS and which patients are likely candidates for this procedure.

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About Advocate Good Shepherd Hospital

Advocate Good Shepherd Hospital in Barrington, Illinois is a 169-bed acute care hospital with more than 700 physicians representing 50 medical specialties. It is part of Advocate Health Care, named one of the Top Ten hospital systems in the U.S. by Thomson-Reuters. For the second consecutive year, Good Shepherd has been named one of the nation's 50 Top Cardiovascular Hospitals by Truven Health Analytics. In 2013, the hospital achieved Magnet designation for excellence in nursing services by the American Nurses Credentialing Center's (ANCC) Magnet Recognition Program, the highest award a hospital can receive for outstanding quality and excellence in nursing care. Advocate is a faith-based organization that exists to serve its communities. Advocate contributed $571 million in charitable care and services to communities across Chicagoland and Central Illinois in 2012. For more about Advocate Good Shepherd Hospital, visit