Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

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Fig. 4. Serial endoscopic images of patients before diagnosing achalasia and performing peroral endoscopic myotomy (POEM). (A) The patient who was followed up for reflux esophagitis showed a narrowing gastroesophageal junction (GEJ) and slightly dilated lower esophagus from the time of dysphagia onset. (B) The patient who was followed up for regurgitation and intermittent dysphagia showed a narrowing GEJ and spastic contractions in the lower esophagus from the time dysphagia became more frequent and severe.
J Neurogastroenterol Motil 2023;29:7~19 https://doi.org/10.5056/jnm22170
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