Left: Smooth, concentric narrowing of the lumen at the esophagogastric junction. 82 year-old woman with nausea refractory to therapy; endoscopy also demonstrated gastritis and duodenitis.

Right: Close-up; mucosa of a hiatal hernia can be seen through the lumen. 83 year-old man with intermittent dysphagia to solids (difficulty swallowing).




Left: Schatzki ring is often seen in the setting of reflux esophagitis, as seen here with linear, longitudinal esophageal ulcers. 53 year-old man with pyrosis (heartburn) and dyspepsia (indigestion).

Right: Smooth, concentric narrowing of the lumen at the esophagogastric junction; mucosal folds of a hiatal hernia can be seen through the lumen of the ring