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Related Experiment Videos

Aluminium ring pulls: an invisible foreign body

G D Stewart1, M V Lakshmi, A Jackson

  • 1Department of Radiology, Manchester Royal Infirmary, UK.

Journal of Accident & Emergency Medicine
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Aluminium can tabs can detach and be aspirated, lodging in the throat as foreign bodies. Their detection is difficult via radiography due to similar atomic numbers to soft tissue.

Area of Science:

  • Medical Imaging
  • Otolaryngology
  • Foreign Body Aspiration

Background:

  • Modern drink can designs feature easily detachable aluminium ring pulls.
  • These small components pose a significant risk of aspiration and airway obstruction.

Observation:

  • Aluminium ring pulls can become lodged in the throat as foreign bodies.
  • Radiographic detection is challenging due to the similar atomic numbers of aluminium and soft tissue.

Findings:

  • The radiodensity of aluminium (atomic number 13) is similar to that of soft tissue (average atomic number 7.5).
  • This similarity hinders the clear visualization of aspirated aluminium can tabs on standard soft tissue radiography.

Implications:

  • Direct visualization and endoscopic removal are crucial when foreign body aspiration is suspected, even with negative radiographic findings.

Related Experiment Videos

  • Awareness among healthcare professionals and the public regarding this specific foreign body risk is important.