Barrett Esophagus

**Semantic type:** Disease or Syndrome

**Definition:** Esophageal lesion lined with columnar metaplastic epithelium which is flat or villiform. Barrett epithelium is characterized by two different types of cells: goblet cells and columnar cells. The symptomatology of Barrett esophagus is that of gastro-esophageal reflux. It is the precursor of most esophageal adenocarcinomas. (WHO)

**Synonyms:** - BE - Barrett's Esophagus - Barrett's Esophagus - Barrett's esophagus - CELLO - CLE - Columnar Epithelial-Lined Lower Esophagus - Columnar-Lined Esophagus