AI Article Synopsis
- A patient with Barrett's esophagus shows an unusual band of columnar epithelium in the upper esophagus, distinct from a normal squamous lining.
- Endoscopy reveals a mucosal ring at the squamocolumnar junction, first identified through a barium swallow.
- These findings could help understand the causes of upper esophageal webs or rings, linked to Paterson-Kelly syndrome.
Article Abstract
A patient is presented with Barrett's esophagus (lower esophagus lined with columnar epithelium) who also has a band of columnar epithelium in the upper esophagus separated from that below by normal squamous epithelium in the midesophagus. The upper most squamocolumnar junction coincided with or formed a mucosal ring as seen at endoscopy. This ring, which was first seen on barium swallow, has the radiographic appearance of that associated with the Paterson-Kelly syndrome. This patient's unique findings may provide further insight into the etiology of upper esophageal webs or rings (Paterson-Kelly syndrome).
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