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Inlet patch: associations with endoscopic findings in the upper gastrointestinal system
Ilhami Yüksel1, Oğuz Usküdar, Seyfettin Köklü
1Department of Gastroenterology, Ankara Dişkapi Yildirim Beyazit Education and Research Hospital, Ankara, Turkey.
Scandinavian Journal of Gastroenterology
|December 17, 2008
Summary
Ectopic gastric tissue in the esophagus (inlet patch) is linked to increased esophagitis and Barrett's esophagus. Helicobacter pylori is less common in inlet patches than in stomach tissue.
Area of Science:
- Gastroenterology
- Endoscopy
- Pathology
Background:
- Ectopic gastric tissue in the esophagus, known as an inlet patch, is often under-diagnosed due to its location.
- The pathogenesis and clinical significance of inlet patches remain largely unexplored.
Purpose of the Study:
- To investigate the association between the presence of ectopic gastric tissue in the esophagus (inlet patch) and endoscopic findings in the upper gastrointestinal tract.
- To explore potential predisposing factors for inlet patch development and its relationship with other gastrointestinal conditions.
Main Methods:
- Prospective analysis of 9,437 endoscopic examinations.
- Documentation of endoscopic and histological features of inlet patches and stomach specimens.
- Comparison of endoscopic findings between patients with and without inlet patches.
Main Results:
- Inlet patch was identified in 1.8% of patients.
- Esophagitis was significantly more common in patients with inlet patches (25.1%) compared to those without (5.6%).
- Barrett's esophagus occurred more frequently in patients with inlet patches (3.5%) than in those without (0.5%).
- Open cardia was diagnosed more often in the inlet patch group (24.5% vs. 10.0%).
- Helicobacter pylori colonization was low in inlet patch specimens (11%) but high in stomach specimens (58%) from the same patients.
Conclusions:
- Patients with esophageal inlet patches may have predisposing factors for gastroesophageal reflux.
- Barrett's esophagus is more prevalent in individuals with inlet patches.
- Helicobacter pylori plays a less significant role in ectopic gastric tissue compared to native gastric tissue.
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