8 Questions
Which layer of the esophagus is primarily affected in patients with submucosal varices?
Submucosa
What is the most common cause of submucosal varices in patients?
Alcoholism
Which syndrome is characterized by lacerations at the gastroesophageal junction followed by vomiting or retching?
Mallory-Weiss Syndrome
What is the histological characteristic of Mallory-Weiss lacerations?
Breach into the muscularis propria
In what region of the esophagus does adenocarcinoma usually arise?
Near the stomach
What is the characteristic gross appearance associated with Barrett mucosa in the esophagus?
Erythematous appearance
Which layer of the esophagus is typically not penetrated by Mallory-Weiss lacerations?
Muscularis propria
What is a characteristic feature of esophageal varices microscopically?
Dilated submucosal veins
This quiz covers the microscopic structure of the normal esophagus, including mucosa, submucosa, and muscularis propria / externa. It also discusses abnormal structures such as esophageal varices, which are purplish dilated veins near the gastroesophageal junction that can lead to bleeding.
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