A New Type of Sliding Hiatus Hernia

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Abstract
A series of patients showing a previously unrecognized type of sliding hiatus hernia is presented and analyzed. This type of hernia is characterized by reflux of the mucous membrane of the Hiss angle into the lumen of the esophagus. The occurrence of mucosal prolapse is a secondary phase of gastroesophageal reflux. The mucous plug prevents further reflux of the acid contents of the stomach into the esophagus and mouth. After the appearance of mucosal prolapse, the symptoms and signs of esophagitis disappear. The most characteristic complaint of the patients is retrosternal pain on lying and bending down. Endoscopy with provocative tests reveals the mucosal prolapse. Tooth erosions due to previous acid reflux into the mouth are diagnostic. The symptoms of this new subtype of sliding hiatus hernia were cured by the Nissen fundoplication.