ROENTGENOGRAPHIC APPEARANCE OF SYMPTOMATIC LOWER ESOPHAGEAL RINGS AFTER PNEUMATIC DILATATION

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Abstract
Lower esophageal rings can be treated satisfactorily by pneumatic dilatation. Studies of the esophagogastric junction before, during, and at varying intervals after dilatation have been made in 10 patients. Dilatation always increased the lumen of the ring and all patients were initially improved symptomatically. The rings did not maintain the size present immediately or shortly after dilatation but to a variable extent became more narrow with time. Two patients have demonstrated a return to a predilatation diameter. One of these had roentgenographic evidence of gastroesophageal reflux before dilatation and has apparently developed a localized stricture 1 year after dilatation.

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