Acquired double pylorus: Clinical and endoscopic characteristics and four-year follow-up observations

Figure 3 Two years and three months after the first endoscopic exam. A: The bridge between the two channels had disappeared, with a single large pylorus (solid arrow) observed in the woman with gouty arthritis. The arrowhead indicates the duodenal posterior wall ulcer; the dotted arrow indicates the descending duodenum; B: A clean-based duodenal kissing ulcer was observed in the woman with gouty arthritis. The arrowhead indicates the anterior wall ulcer. The dotted arrow indicates the posterior wall ulcer in the duodenum, and the solid arrow indicates the descending duodenum.