1 MCQs in Surgery for NEET PG
A 47-year-old man presents with recurrent severe peptic ulcers refractory to standard-dose proton pump inhibitor therapy, chronic secretory diarrhea, and progressive weight loss. Upper endoscopy reveals the findings marked **A** in the diagram. Fasting serum gastrin is 1850 pg/mL with gastric pH of 1.8. Which of the following best explains the pathophysiology of ulcer formation at this atypical location?
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