How is Barrett's esophagus diagnosed?

The only way to confirm the diagnosis of Barrett's esophagus is with a test called an upper endoscopy. This involves inserting a small lighted tube (endoscope) through the throat and into the esophagus to look for a change in the lining of the esophagus.

While the appearance of the esophagus may suggest Barrett's esophagus, the diagnosis can only be confirmed with small samples of tissue (biopsies) obtained through the endoscope. A pathologist will examine the tissue to make the diagnosis.

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