Barrett's Esophagus
Medical Author:
Bhupinder Anand, MD
Medical Author:
Wilfred M. Weinstein, MD
Medical Editor:
Jay W. Marks, MD
Jay W. Marks, MDJay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.
Barrett's Esophagus SymptomsWhat Are the Symptoms of Barrett's Esophagus?Barrett's esophagus has no unique symptoms. Patients with Barrett's have the symptoms of GERD (for example, heartburn, regurgitation, nausea, etc.). The general trend is for individuals with Barrett's have more severe GERD. However, not all Barrett's have marked symptoms of GERD, and some patients are detected accidentally with minimal or no symptoms of GERD.
The refluxed, regurgitated fluid occasionally may enter the lungs or the voice box, resulting in what are called extraesophageal symptoms of GERD. These symptoms include:
Read more in-depth information about the symptoms of Barrett's esophagus » What is Barrett's esophagus?Barrett's esophagus is a complication of chronic gastroesophageal reflux disease (GERD), primarily in white men. GERD is a disease in which there is reflux of acidic fluid from the stomach into the esophagus (the swallowing tube). It most commonly causes heartburn. There are two requirements for the diagnosis of Barrett's esophagus. The requirements necessitate an endoscopy of the esophagus. During endoscopy, a long flexible tube with a light and camera at its tip (an endoscope) is inserted through the mouth and into the esophagus to view and biopsy (sample tissue from) the lining of the esophagus. The two requirements are:
Barrett's esophagus is officially coded by the Library of Congress for electronic searches of the literature as Barrett esophagus, but Barrett's esophagus (with the apostrophe "s") is the name used universally. The condition is named after a surgeon, Norman Barrett, who described the condition. However, it turns out that his interpretation of the findings was not correct. In 1953, Doctors' Allison and Johnstone actually described this condition as we now understand it, namely that metaplasia was occurring. (Metaplasia, which is discussed below, is the term used when one adult tissue replaces another.) Nevertheless, the condition has been immortalized with Barrett's name. Initially, it was thought that the Barrett's esophagus consisted of stomach (gastric) tissue replacing the usual squamous tissue lining the esophagus. However, in the mid 70's, Dr. Paull and colleagues published a paper in which they described the mucosa (inner lining) of Barrett's esophagus in greater detail than had been done previously. They pointed out that Barrett's esophagus consisted of a metaplasia in which the normal cells lining the esophagus were replaced by a mixture of gastric and intestinal lining cells. The intestinal-type lining cells also are called specialized columnar cells which include goblet cells. For a number of years, some scientists thought that there were two types of Barrett's; one in which the normal lining was replaced with stomach (gastric) type cells only, and the second in which intestinal cells were present. However, the current belief is that only the presence of intestinal-type goblet cells establishes the diagnosis of Barrett's esophagus, regardless of what other cell types are present. Why is there so much interest in Barrett's esophagus?The reason for the great interest in Barrett's esophagus is that it is associated with an increased risk of cancer of the esophagus. The type of cancer that occurs in patients with Barrett's is adenocarcinoma, which arises from the metaplastic intestinal tissue. The usual cancer of the esophagus that is not associated with Barrett's is squamous carcinoma, which arises from the squamous cells lining that is normally present in the esophagus. The connection between adenocarcinoma of the esophagus and Barrett's esophagus is now clear, and adenocarcinoma of the esophagus is increasing in frequency in most countries in the Western hemisphere. The good news, however, is that the cancer occurs in relatively few patients with Barrett's esophagus. Still, the main challenge in this condition is to watch for early warning signs of cancer by taking biopsies at regular intervals during endoscopy. This practice is called surveillance and is similar, in principle, to the surveillance in women for cancer of the cervix, wherein PAP smears are taken at regular intervals. Patient CommentsViewers share their comments
Barrett's Esophagus - Symptoms and Signs
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