Inflammatory Bowel Disease USMLE Step 1 Practice Question
A 4-year-old boy presents to the emergency department with painless maroon-colored stools for 2 days. Vital signs show BP 95/60, HR 110, RR 22, temperature 37.2°C, and SpO2 98% on room air. Physical examination reveals no abdominal tenderness or fever. Laboratory studies show hemoglobin 9.2 g/dL. Technetium-99m pertechnetate scan demonstrates abnormal uptake in the lower abdomen. Which of the following is the most likely diagnosis?
Answer choices
- AMeckel diverticulum with ectopic gastric mucosaCorrect answer
- BAnal fissure
- CJuvenile polyp
- DIntussusception
- EUlcerative colitis
- FHemorrhagic colitis secondary to Shigella infection
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