Barret's esophagus is diagnosed by:
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.
Squamous metaplasia
Intestinal metaplasia
Squamous dysplasia
Intestinal dysplasia