1 MCQs in Medicine for NEET PG
A 28-year-old man with a 3-year history of chronic abdominal pain and non-bloody diarrhea undergoes ileocolonoscopy. The endoscopy reveals the appearance marked **A** in the diagram—a characteristic cobblestone pattern of the mucosa in the terminal ileum with intervening areas of normal-appearing bowel. Biopsies confirm non-caseating granulomas and transmural inflammation. Which of the following best explains the pathological mechanism underlying the cobblestone mucosal appearance marked **A**?
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