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  • Title: Does colonization of Helicobacter pylori in the heterotopic gastric mucosa play a role in bleeding of Meckel's diverticulum?
    Author: Ergün O, Celik A, Akarca US, Sen T, Alkanat M, Erdener A.
    Journal: J Pediatr Surg; 2002 Nov; 37(11):1540-2. PubMed ID: 12407535.
    Abstract:
    BACKGROUND/PURPOSE: Helicobacter pylori is a microorganism known to colonize in gastric type of mucosa and is associated with gastritis and peptic ulceration. The aim of the study was to determine whether colonization of H pylori in heterotopic gastric mucosa plays a role in bleeding of Meckel's diverticulum. METHODS: Histopathologic slides of patients who had undergone resection of Meckel's diverticulum in recent 5 years were reexamined for the presence of H pylori in heterotopic gastric mucosa. Polimerase chain reaction (PCR) test was used to trace the genetic material of urease gene and 16s rDNA amplifications for H pylori. RESULTS: Thirteen of the 30 histopathologic slides of Meckel's diverticula had heterotopic gastric mucosa. Ten of the 13 patients presented with acute bleeding of the diverticula, whereas 3 of them were asymptomatic. None of the 13 gastric mucosa bearing diverticula were colonized with H pylori. PCR was unable to show any trace of genetic material for H pylori. CONCLUSION: Although the role of H pylori is well established in the gastric mucosal ulceration, its presence is not essentially required to induce "heterotopic gastritis" that may result in bleeding of the Meckel's diverticulum. .
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