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An 81-year-old man was admitted to the hospital because of a six-month history of intermittent dysphagia, regurgitation, and vomiting during meals. Upper gastrointestinal endoscopy revealed an abnormal appearance of the esophageal peristalsis; it resembled the features of a winding staircase (Panel A). Radiographs of the esophagus that were performed with the use of barium contrast material showed a spiral formation of the barium column up to the cervical esophagus (Panel B). Manometry confirmed an alternative form of normal peristalsis and an absence of peristalsis in the esophageal body. On further questioning, the patient reported a six-month history of persistent nocturnal . . . [Full Text of this Article] |
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