Barrett’s esophagus is –
Correct Answer: Lower esophagus lined by columnar epithelium
Description: Barrett's esophagus
Is the metaplastic change, of gastroesophageal mucosa from normal squamous epithelium to columnar epithelium, in response to chronic gastroesophageal reflux.
The function between squamous esophageal mucosa and gastric mucosa moves proximally
Three types of columnar epithelium have been described in Barrett's esophagus :
1. Intestinal type - the most common type
2. The junctional type and
3. The gastric Jaundice type
Barrett's esophagus is a premalignant condition for adenocarcinoma esophagus
The hallmark of intestinal metaplasia is the presence of intestinal goblet cells.
Category:
Pathology
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