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The conundrum of Barrett's oesophagus is changing
| The first 150 words of the full text of this article appear below. |
EDITOR
Macdonald et al in their paper and McGarrity in his accompanying
editorial reviewed the value of endoscopic surveillance of Barrett's
oesophagus.
1 2
Both articles highlighted the major
problems with detection of oesophageal adenocarcinoma in an unselected
group of individuals with Barrett's oesophagus.
Much attention has been devoted to risk stratification of individuals who are at high risk of malignant change in Barrett's oesophagus. Men over 45 years, those with at least 3 cm of Barrett's metaplasia, those with severe and frequent reflux symptoms (>3 times week), those with chronic heartburn for 10 years or more, obese patients, those taking drugs which relax the lower oesophageal sphincter (such as nitrates), and perhaps those with eradicated Helicobacter pylori infection are most at risk of Barrett's associated adenocarcinoma.3
Pathology has also made a major contribution to understanding the
pathogenesis as intestinal type metaplasia gives rise to dysplastic
clones from which the adenocarcinoma arises.3 Molecular genetics