Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access
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Case Report

Volume 11, Number 2, April 2018, pages 154-156

Double Pylorus: Report of a Case With Endoscopic Follow-Up and Review of the Literature


Figure 1.
Figure 1. Endoscopic view from the antrum demonstrates double pylorus. The two openings are separated by a bridge from tissue.
Figure 2.
Figure 2. Gastroduodenal fistula has fused with normal pylorus and there is a single large opening. The remnant tissue of the bridge of the opposite sides can be easily noted.


Table 1. Characteristics of Acquired Double Pylorus
Incidence0.001% to 0.4% of upper gastrointestinal endoscopies
Clinical presentationChronic upper abdominal pain, dyspepsia, upper gastrointestinal bleeding, vomiting
CausesGastric ulcer, duodenal ulcer, gastric cancer
Risk factorsUlcerogenic medications, Helicobacter pylori, adrenal adenoma, diabetes mellitus, chronic obstructive disease, chronic renal failure, Behcet’s disease
Differential diagnosisCongenital double pylorus, gastric diverticulum
ComplicationsGastric outlet obstruction, persistence gastric ulcer
TreatmentEndoscopic therapy, surgery