- n.a fibreoptic or video instrument for examining the interior of the duodenum. An end-viewing instrument is used for most examinations, but a side-viewing instrument is used for ERCP. The end-viewing instrument is also used for examination of the stomach (it is also known as a gastroduodenoscope) and it is usual to combine the two examinations (gastroduodenoscopy).
* * *du·o·de·no·scope (doo″o-deґno-skōp) a type of enteroscope for examining the duodenum.
Medical dictionary. 2011.
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