Nutcracker esophagus is essentially a manometric diagnosis characterized by high-amplitude, often prolonged duration of peristaltic contractions in the distal two thirds of the esophagus. Its association with noncardiac chest pain and/or dysphagia has been recognized and reported by numerous esophageal motility laboratories. There are very few long-term studies of the natural history of this abnormality. We report a patient who presented with dysphagia and, on initial investigation, was found to have classical nutcracker esophagus. On reinvestigation three years later, however, he had developed achalasia of the cardia. The transition from nutcracker esophagus to achalasia has not previously been reported.
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