The basic pathology of Barrett's esophagus is:: (A) Metaplasia of columnar cells to squamous cells, (B) Metaplasia of squamous cells to columnar cells, (C) Dysplasia of Epithelium, (D) Low pressure in Lower sphincter
Answer is B. Ans. (b) Metaplasia of squamous cells to columnar cellsRef: Bailey and Love 26th Edition, Page 1000* Metaplasia of squamous cells to intestinal type of columnar cells is Barret* The biopsy shows Goblet cells: Pathognomonic.