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  • Title: Double pylorus: a complication of chronic gastric ulcer?
    Author: St John DJ, Carter GJ, Smith BW, Essex WB.
    Journal: Aust N Z J Med; 1976 Dec; 6(6):576-9. PubMed ID: 1071545.
    Abstract:
    A case of double pylorus with a chronic ulcer in one of the two channels is described. The patient, a middle-aged man with active rheumatoid arthritis, required partial gastrectomy to allow continued treatment of the arthritis with anti-inflammatory drugs. Detailed histological examination of the surgical specimen revealed features consistent with intramural penetration of an ulcer across the pyloric ring, resulting in a gastro-duodenal fistula. The findings provide further support for the hypothesis that the double pylorus is an acquired lesion, which occurs as an uncommon complication of chronic peptic ulcer.
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