Barrett Esophagus Flashcards
1
Q
What is Barrett esophagus?
A
Replacement of normal squamous epithelium of distal esophagus with columnar mucosa - specialized intestinal metaplasia (SIM)
2
Q
What is the prevalence of Barrett esophagus in patients with GERD?
A
5-10%
3
Q
What social history factors are risk factors for Barrett esophagus?
A
Smoking
Alcohol
4
Q
What is the gold standard for diagnosis of Barrett esophagus?
A
EGD with biopsy of distal esophagus
5
Q
Is it possible to distinguish intestinal metaplasia of the gastric cardia from intestinal metaplasia of the esophagus?
A
No
6
Q
What must be documented during endoscopy to diagnose Barrett esophagus?
A
Proximal displacement squamno-columnar junction into the tubular esophagus
7
Q
What is the risk per year of developing cancer in Barrett esophagus?
A
0.5%
1 in 200
