🏥 USMLE Exam Prep

A 30-year-old woman presents with chronic diarrhea, abdominal pain, and weight loss. Colonoscopy reveals transmural inflammation, skip lesions, and non-caseating granulomas. Which of the following is the most likely diagnosis?

A Ulcerative colitis
B Irritable bowel syndrome
C Crohn's disease
D Celiac disease

✓ Correct Answer: Option C

Crohn's disease characteristically presents with transmural inflammation, skip lesions, and non-caseating granulomas, which are key differentiating features from ulcerative colitis. Chronic diarrhea, abdominal pain, and weight loss are common symptoms.

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