Oesophageal Coin — RACP Paediatrics MCQ
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Correct answer: C — Urgent endoscopic removal (oesophageal coins should be removed within 24 hours, earlier if symptomatic or button battery suspected)
Oesophageal coins should be removed within 24 hours to prevent complications (erosion, perforation, aspiration). Coins at the cricopharyngeus are less likely to pass spontaneously than those at the LOS. Button batteries must be distinguished from coins on X-ray (double halo sign) as they require emergency removal within 2 hours.
Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Foreign Body Ingestion