Duodenal Atresia — RACP Paediatrics MCQ

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ModerateNeonatologyDuodenal AtresiaRACP Paediatrics

A term neonate has bilious vomiting on day 1. X-ray shows double-bubble sign with no distal gas. Diagnosis?

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Correct answer: C — Duodenal atresia

Double-bubble with no distal gas = complete duodenal atresia. Associated with trisomy 21.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Neonatal Bowel Obstruction