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Eosinophilic esophagitis is characterized by diffuse eosinophilic infiltration of the esophagus and is seen mostly in atopic adult men who present with symptoms of dysphagia. Patients often present emergently with esophageal food impaction. The term "feline" esophagus has been used to describe the appearance of multiple rings in the esophagus (similar to those in a cat's esophagus). In this chart review, researchers identified 8 patients with eosinophilic esophagitis who were seen at 2 tertiary care facilities from 1993 to 2002.
At endoscopy, soft and subtle rings in the esophagus were identified in 7 patients, and the esophagus appeared normal in 1 patient. Resistance to passage of the endoscope was evident in 3 patients. Mucosal rents occu…