18 Questions
What is the characteristic histologic finding of Eosinophilic Esophagitis?
Epithelial infiltration by eosinophils
What is the most common GI disease in the outpatient setting in the US?
Gastroesophageal Reflux Disease (GERD)
What is the complication of Chronic GERD that increases the risk for development of esophageal adenocarcinoma?
Barrett Esophagus
What type of esophageal tumor is associated with long-standing GERD and Barrett Esophagus?
Adenocarcinoma
What is the most common cause of Chronic Gastritis?
Helicobacter pylori
What is the complication of Chronic Gastritis that can lead to vitamin B12 deficiency and neurologic changes?
Autoimmune gastritis
What is the primary cause of gastric adenocarcinomas?
H. pylori infection
What type of gastric polyps are associated with intestinal metaplasia and mucosal atrophy?
Gastric adenomas
What is the characteristic of diffuse infiltrative growth pattern of gastric adenocarcinomas?
Composed of mucus-filled signet ring cells
What is the most common mesenchymal tumor of the abdomen?
Gastrointestinal stromal tumor (GIST)
What is the primary location of low- or intermediate-grade neuroendocrine (carcinoid) tumors?
Small intestine
What is the genetic mutation associated with gastrointestinal stromal tumors (GISTs)?
activating mutations in either the c-KIT or the PDGFRA tyrosine kinases
What is the most common cause of tooth loss in individuals under 35 years of age?
Dental caries
What is the primary cause of dental caries?
Destruction of tooth structure by acid end products of sugar fermentation by bacteria
What is gingivitis associated with?
Buildup of dental plaque and calculus
What is the outcome of periodontitis if left untreated?
Eventual loss of dentition
What is the typical presentation of herpes simplex virus in the oral cavity?
Vesicles that rupture and heal, without scarring
What is the characteristic of aphthous ulcers?
Painful superficial ulcers of unknown etiology
Test your knowledge of esophagitis, including reflux esophagitis, eosinophilic esophagitis, and Barrett esophagus, as well as their symptoms, diagnoses, and relationships to gastroesophageal reflux disease (GERD).
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