Enteroscope Health Dictionary

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Enteroscope: From 1 Different Sources

n. an illuminated optical instrument (see endoscope) used to inspect the interior of the small intestine. The image is transmitted through digital video technology. The examination can be performed using the oral and/or anal approach. The double balloon (push and pull) type, about 280 cm long with a distal balloon combined with an *overtube with a proximal balloon, is introduced under direct vision. Double balloon inflation and deflation helps in progression of the endoscope through the small intestine and is the predominant type in current use. The sonde (or push) type, about 280 cm long, has a single inflatable balloon that helps pull the instrument through the length of the intestine using peristalsis. It is now rarely used in clinical practice. The enteroscope is useful in diagnosing the cause of obscure gastrointestinal haemorrhage of the small intestine or of *stricture(s). It may also be used to treat bleeding lesions, remove small intestinal polyps, and to obtain tissue samples in suspected cases of malabsorption, inflammation, or intestinal tumours. —enteroscopy n.
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Jejunal Biopsy

sampling of the mucosa in the jejunum. This is performed endoscopically using an *enteroscope, although a surgical approach may be considered. Jejunal biopsies are examined microscopically to assist in the diagnosis of suspected disease in the small intestine, including *coeliac disease, *Crohn’s disease, *Whipple’s disease, or intestinal infection.... jejunal biopsy

Overtube

n. a semirigid plastic tube (25–45 cm long) designed to fit over the shaft of an *endoscope in order to minimize the risk of trauma. It can be used with a *gastroscope, *cholangioscope, *enteroscope, or colonoscope (see colonoscopy). An overtube is placed over the shaft of an endoscope prior to its insertion; once the endoscope is in the desired place, the overtube is lubricated and slid into position over the shaft. It is commonly used in combination with a gastroscope for the removal of ingested foreign bodies (especially those with sharp or serrated edges that may cause significant trauma as they are being extracted).... overtube

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