When the normal esophageal squamous epithelium becomes metaplastic columnar epithelium (a precursor to adenocarcinoma), it is referred to as:
A) esophagitis.
B) ulcer.
C) Barrett esophagus.
D) erosive disease.

Question

Quizplus · Accepted Answer

Barrett esophagus is the condition where the normal squamous epithelium of the esophagus is replaced by metaplastic columnar epithelium, which can be a precursor to esophageal adenocarcinoma.

When the Normal Esophageal Squamous Epithelium Becomes Metaplastic Columnar Epithelium