All except one are true regarding Barret's oesophagus:
More incidence of sq. cell ca
Metaplasia
Columnar epithelium
Involves lower oesophagus
Ans. is 'a' ie More incidence of sq. cell ca There is increased incidence of adenocarcinoma in Barret's esophagus.Barrett's esophagus is a premalignant condition with increased incidence of adenocarcinoma of esophagus. The risk of adenocarcinoma increases with increasing length of columnar-lined epitheliumAlso rememberBarrett's esophagus is the single most important risk factor for adenocarcinoma of esophagus.The adenocarcinoma develops at the squamo-columnar junction (-85%) or within 2 cm of the junction.
Esophageal Diseases - Gastroesophageal Reflux Disease, Carcinoma