Abstract
Concern has been expressed about the rapid increase in the incidence of esophageal carcinoma in the United States. This rise is due to an increase in the number of cases of adenocarcinoma of the esophagus. Because of the relatively small number of cases of esophageal carcinoma, the absolute risk of developing this cancer in the United States remains small. Potential origins for this increase in esophageal adenocarcinoma are examined in this review, including the risk induced by obesity, low dietary antioxidants, high dietary fat, family history of breast cancer, smoking, gastroesophageal reflux, and Barrett's esophagus. The risk of esophageal adenocarcinoma is inversely associated with infection by Helicobacter pylori organisms. A better understanding of risk factors involved in the increased incidence of esophageal adenocarcinoma is important for development of new preventive strategies for this serious disorder.
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