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Heterotopic gastric mucosa of the gastrointestinal tract: prevalence, histological features, and clinical characteristics.
MedLine Citation:
PMID:  24279774     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Background. Heterotopic gastric mucosa (HGM) may be located at sites throughout the gastrointestinal (GI) tract. Clinical characteristics of HGM, role of Helicobacter pylori infection, natural history, and relationship to neoplastic transformation have not sufficiently been explored. Aim. To retrospectively study the prevalence, histological features, and clinical characteristics of HGM among Chinese patients who underwent upper GI endoscopy. Methods. Endoscopic, histological, and clinical records of patients, who underwent upper GI endoscopy (n = 6802) and colonoscopy (n = 3504), respectively, between May 2011 and May 2012, were collected and retrospectively analyzed. A total of 6716 sex- and age-matched patients without HGM were enrolled as controls. Results. HGM was diagnosed in 86 cases (51 esophageal, 0.75%; 35 duodenal, 0.51%). Male:female ratio was 1.4:1 (30/21) for esophageal HGM, 1.7:1 (22/13) for duodenal HGM, and 1.1:1 (3557/3159) for controls. Two histopathological types of HGM were identified: foveolar epithelium alone and foveoloar epithelium together with gastric glands. Helicobacter pylori were present in 19.6% of cases with esophageal HGM and 20.0% of cases with duodenal HGM. Esophageal HGM was significantly associated with dysphagia and globus; duodenal HGM was not significantly associated with GI symptoms. Intestinal metaplasia was present in two and three patients in both groups, respectively, with no dysplasia or carcinoma. Conclusion. HGM was present in fewer patients undergoing upper GI endoscopy, and it was more often present in men. A careful endoscopic examination is required to diagnose HGM, and it should be supported with a biopsy when indicated.
Authors:
Lan Yu; Yunsheng Yang; Lihong Cui; Lihua Peng; Gang Sun
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-11-26
Journal Detail:
Title:  Scandinavian journal of gastroenterology     Volume:  -     ISSN:  1502-7708     ISO Abbreviation:  Scand. J. Gastroenterol.     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2013-11-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0060105     Medline TA:  Scand J Gastroenterol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Gastroenterology and Hepatology, Chinese PLA General Hospital , Beijing , China.
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