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Epstein–Barr virus-associated gastric carcinomas developed after successful eradication of Helicobacter pylori

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Epstein–Barr virus-associated gastric carcinoma (EBVaGC) can develop in gastric mucosa affected by Helicobacter pylori (H. pylori)-induced atrophic gastritis. However, it is unclear whether EBVaGC can develop in gastric mucosa after… Click to show full abstract

Epstein–Barr virus-associated gastric carcinoma (EBVaGC) can develop in gastric mucosa affected by Helicobacter pylori (H. pylori)-induced atrophic gastritis. However, it is unclear whether EBVaGC can develop in gastric mucosa after successful eradication of H. pylori. We report 3 cases of EBVaGC discovered more than 5 years after successful eradication of H. pylori. All 3 cases are men with a history of smoking. The periods from successful eradication to development of EBVaGC were 18, 8, and 9 years, respectively. Their tumors were mainly depressed lesions located in the gastric corpus. Two patients had intramucosal cancer and the other had advanced gastric cancer. Mucosal atrophy was present in the background gastric mucosa of all of three, and the anti-H. pylori antibody titer in each patient had fallen to < 3 U/mL. These cases indicate that EBVaGC can occur after successful eradication of H. pylori.

Keywords: eradication; epstein barr; successful eradication; barr virus; virus associated; pylori

Journal Title: Clinical Journal of Gastroenterology
Year Published: 2020

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