Esophageal Cancer Flashcards
Why do esophageal and pancreatic cancers spread so rapidly compared to other GI cancers?
They are not covered by a serosa
What cellular changes occur in Barrett Esophagus?
Columnar epithelium replaces squamous epithelium in the distal esophagus.
What are 5 pre-disposing factors that can lead to squamous cell carcinoma of the esophagus?
- Achalasia
- Celiac Sprue
- Lye Stricture
- Head and Neck Cancer
- Plummer Vinson syndrome
(general rule: anything that leads to chronic inflammation in the GI tract can lead to cancer)
What pre-disposing factor can lead to adenocarcinoma of the esophagus?
Barrett Esophagus
Are men or women more prone to esophageal cancer?
Men
What population is more prone to squamous cell carcinoma of the esophagus? Adenocarcinoma?
African Americans
Whites
What is the only hope to cure a GI cancer?
Surgery
radiation and chemo tend to work on fast-growing tumors and most GI tumors are slow-growing