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J Clin Gastroenterol. 2007 May-Jun;41(5):468-71.

Prevalence of endoscopically identified heterotopic gastric mucosa in the proximal esophagus: endoscopist dependent?

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  • 1Department of Internal Medicine, American University of Beirut, Lebanon.

Abstract

GOALS:

The aim of this study is to determine the prevalence of heterotopic gastric mucosa in the proximal esophagus (HGMPE) and whether thorough endoscopic search may influence such prevalence.

BACKGROUND:

Heterotopic gastric mucosa in the esophagus (sometimes known as inlet patch) refers to a discrete area of gastric mucosa, with a spherical or ellipsoid configuration, that is typically located in the proximal esophagus. The prevalence of endoscopically diagnosed HGMPE varies from 0.1% to 10%. Endoscopic detection may be difficult as HGMPE is often located at or just below the upper esophageal sphincter. It might be associated with severe complications such as bleeding, perforation, fistula, and stricture formation, in addition to the development of adenocarcinoma.

STUDY:

During a 2-year period, 455 consecutive patients with various gastrointestinal complaints underwent esophagogastroduodenoscopy by a single endoscopist (group 1). This endoscopist paid special attention to detecting HGMPE by thoroughly examining the proximal esophagus upon withdrawal of the endoscope. During the same period of time, endoscopy reports of 472 patients who underwent esophagogastroduodenoscopy in the same hospital by 3 other endoscopists were retrospectively reviewed (group 2). These endoscopists were aware of the existence of the HGMPE and reported that the presence of HGMPE would be included as an endoscopic finding in their reports.

RESULTS:

In the first group, HGMPE was identified in 12 out of 455 patients (2.6%). Whereas in the second group, only 2 out of 472 patients (0.4%) had reports identifying HGMPE (P<0.01).

CONCLUSIONS:

Endoscopic detection of HGMPE is influenced by the endoscopist's thorough search of this entity, and thus, more time devoted to such a search may lead to higher detection rates.

PMID:
17450028
[PubMed - indexed for MEDLINE]
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