Curriculum for Specialty Certificate Examination in Gastroenterology

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Sunday 24 August 2014

Schatzki ring

Schatzki ring, My Gastro room
The pathogenesis of Schatzki rings is not clear, and at least 4 hypotheses have been proposed. These hypotheses may not be mutually exclusive. Proposed hypotheses are as follows:
  1. The ring is a pleat of redundant mucosa that forms when the esophagus shortens transiently or permanently for unknown reasons.
  2. The ring is congenital in origin.
  3. The ring    actually a short peptic stricture occurring as a consequence of gastroesophageal reflux disease.
  4. The ring is a consequence of pill-induced esophagitis.
Schatzki ring is quite common and may be found in as many as 15% of all patients undergoing barium swallow studies; however, few of these patients exhibit any symptoms of dysphagia.
Most patients present with intermittent, episodic, nonprogressive dysphagia to solids. Dysphagia to liquids is usually not present.
Using a large French mercury bougie, polyvinyl bougie, or a balloon, esophageal dilatation is used with the intention of fracturing the ring—not merely stretching it.

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