Pathology

• what is the aetiology?
• where are peptic ulcers most commonly found?
• what are the risk factors?
• what is the pathogenesis?
• what are the 3 types of peptic ulcers?
• what is Zollinger-Ellison syndrome?
• what are the complications?

Clinical Features

• how does pain present in gastric vs duodenal ulcers?
• what are the investigation findings (H. pylori-induced)?

Morphology

• what are the macroscopic features?
• what are the microscopic features?