All except one are true regarding Barret'soesophagus: (A) More incidence of sq. cell ca, (B) Metaplasia, (C) Columnar epithelium, (D) Involves lower oesophagus
Answer is A. 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 impoant risk factor for adenocarcinoma of esophagus.The adenocarcinoma develops at the squamo-columnar junction (-85%) or within 2 cm iof the junction.