Diagnostic Procedure
endoscopic ultrasound Audio
[ en-doh-skah-pik ul-truh-sownd ]
Definitions related to endoscopic ultrasound:
  • A procedure in which an endoscope is inserted into the body. An endoscope is a thin, tube-like instrument that has a light and a lens for viewing. A probe at the end of the endoscope is used to bounce high-energy sound waves (ultrasound) off internal organs to make a picture (sonogram).
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • An ultrasound administered by using a tube containing flexible fibre optic wires that allows for the analysis of tissues inside the body. Ultrasound technology utilizes high frequency waves and their echoes to produce an image. 2005
    NCI
    U.S. National Cancer Institute, 2021
  • Endoscopic ultrasound (EUS) is a minimally invasive procedure to assess digestive (gastrointestinal) and lung diseases. A special endoscope uses high-frequency sound waves to produce detailed images of the lining and walls of your digestive tract and chest, nearby organs such as the pancreas and liver, and lymph nodes.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research, 2025
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