Barrett's oesophagus: the new endoscopic modalities have a future

Deviere, J.
March 2005
Gut;Mar2005 Supplement 1, Vol. 54, pi33
Academic Journal
Barrett's oesophagus is defined as the replacement of squamous oesophageal epithelium by intestinal metaplasia in the distal oesophagus. It is a fairly frequent complication of gastro-oesophageal reflux disease (GORD): 5-10% of patients with GORD suffer from Barrett's oesophagus. GORD is essential for the development of Barren's oesophagus. Intestinal metaplasia is a premalignant lesion that may further develop into dysplasia and lead to adenocarcinoma of the oesophagus. The latter now accounts for almost 50% of oesophageal cancer cases in western countries, and the largest increase in its incidence was recorded during the past two decades. Patients with Barren's oesophagus have a 2-25% risk of developing mild to severe dysplasia and a 2-5% risk of having adenocarcinoma: 30-150 times higher than the risk in the general population. Forty to fifty per cent of Barren's oesophagus patients with severe dysplasia would present adenocarcinoma within 5 years.


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