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[MRI: projectiles, bullets and counter-indications].

P Jourdan1, G Cosnard

  • 1Service de Neurochirurgie, H.I.A. Sainte-Anne, Toulon Naval.

Journal De Radiologie
|December 1, 1989
PubMed
Summary

All projectiles, including shell splinters and bullets, should be treated as ferromagnetic for Magnetic Resonance Imaging (MRI) safety. This is crucial because their magnetic properties can vary, posing a significant risk during MRI scans.

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Area of Science:

  • Medical Imaging
  • Materials Science
  • Radiology

Context:

  • Magnetic Resonance Imaging (MRI) is a vital diagnostic tool.
  • The presence of ferromagnetic materials poses significant safety risks during MRI procedures.
  • Evaluating the safety of patients with metallic foreign bodies, such as bullets and shell fragments, is critical.

Purpose:

  • To provide an overview of contraindications for MRI studies involving bullets and projectiles.
  • To highlight the ferromagnetic nature of shell splinters.
  • To emphasize the variability in magnetic properties among different types of bullets.

Summary:

  • All shell splinters are ferromagnetic.
  • The magnetic properties of bullets vary widely and cannot be exhaustively cataloged.
  • Until proven otherwise, all projectiles must be presumed ferromagnetic to ensure patient safety in MRI environments.

Impact:

  • Enhances patient safety protocols for MRI examinations.
  • Informs radiologists and healthcare professionals about potential risks associated with metallic projectiles.
  • Promotes a cautious approach to MRI screening when ferromagnetic foreign bodies are suspected.

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