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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). Also called endosonography and EUS.
Online Medical Reviewer:
Louise Akin, RN, BSN
Online Medical Reviewer:
Daphne Pierce-Smith, RN, MSN, FNP, CCRC
Last Annual Review Date:
6/30/2011
Licensed PDQ® from the National Cancer Institute (NCI).