During retching, gastric mucosa may be seen prolapsing upward into the esophagus.
41 year-old man undergoing endoscopy for evaluation of abdominal and noncardiac chest pain. During endoscopy he developed uncontrolled retching, during which time a large fold of gastric mucosa repeatedly prolapsed upward into the esophagus. Left: Esophageal view of herniated fold. Center and right: View from the gastric side. Arrows indicate the prolapsing gastric fold.
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