1557
Contractile ring in the distal esophagus best identified on barium esophagram.
Radiography more sensitive than endoscopy in detection.
Critical diameter associated with dysphagia 11-13mm.
Patients with ring greater than 18-mm are asymptomatic.
Tendency for the diameter of the ring to decrease over time and a 1mm decrease in diameter associated with a 46% increase in the likelihood of dysphagia.
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One reply on “Schatzki ring”
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