Barret's esophagus is diagnosed by:: (A) Squamous metaplasia, (B) Intestinal metaplasia, (C) Squamous dysplasia, (D) Intestinal dysplasia
Answer is B. Answer is B (Intestinal Metaplasia) Barret's esophagus is a metaplasia of the esophageal mucosa caused by replacement of squamous epithelium with columnar epithelium. Specialized intestinal epitheliutn (intestinal metaplasia) is the most common and most impoant type of columnar epithelium seen in Barret's esophagus.