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Intussusception — MCCQE Part 1 MCQ

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EasyAbdominal PainIntussusceptionMCCQE Part 1

A 9-month-old infant has intermittent severe crying, drawing up of legs and vomiting. Between episodes he appears tired; stool is currant-jelly coloured. Which of the following is the most appropriate next step?

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Correct answer: E — Urgent ultrasound and air or contrast enema reduction if stable without peritonitis

Intermittent colicky pain, lethargy and currant-jelly stool suggest intussusception. Ultrasound confirms diagnosis, and enema reduction is therapeutic when there is no perforation or peritonitis. Brief symptom-free intervals are characteristic and should not reassure.

Reference: Canadian paediatric surgery practice; provincial intussusception pathways