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Updated: May 1, 2026

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
Published on: September 11, 2018
An ingested foreign body: two sides of the same coin?
Kiran Varadharajan1, Jennifer Magill, Kalpesh Patel
1St. Mary's Hospital, London, UK.
Insights
This case report highlights a rare instance of a child ingesting two coins, which appeared as one on X-ray. Thorough endoscopic examination is crucial for diagnosing ingested foreign bodies.
Area of Science:
- Pediatric Gastroenterology
- Medical Imaging
- Otolaryngology
Background:
- Foreign body ingestion is common in young children.
- Esophageal foreign bodies can cause significant morbidity.
- Radiological assessment is the initial step in diagnosis.
Observation:
- A 2-year-old presented with acute dysphagia and stertor.
- Initial X-ray showed a single coin in the esophagus.
- Rigid esophagoscopy revealed a second, identically located coin.
Findings:
- The ingested coins were impacted in perfect radiological alignment.
- A single coin was initially identified on plain radiography.
- Endoscopic examination identified a second foreign body.
Implications:
- This case underscores the limitations of plain radiography for ingested foreign bodies.
- Thorough endoscopic evaluation is essential to rule out multiple foreign bodies.
- Accurate diagnosis and removal are critical to prevent complications.
Abstract:
A 2-year-old child presented to the emergency department with an acute onset of dysphagia and stertor. A plain anteroposterior chest X-ray revealed a single circular opacity in the middle third of the oesophagus consistent with an ingested coin. The child was taken to the theatre for rigid pharyngo-oesophagoscopy and removal of the coin. After the first coin was removed subsequent endoscopic examination revealed a second coin at the same location. This extremely rare case of two ingested coins becoming impacted with perfect radiological alignment emphasises the importance of thorough examination on endoscopy and the potential limitations of an X-ray in initial assessment of an ingested foreign body.
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