MRI interaction with tattoo pigments: case report, pathophysiology, and management

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M L Kreidstein1, D Giguere, A Freiberg

  • 1Department of Surgery, Toronto Hospital, Ontario, Canada.

Plastic and Reconstructive Surgery
|May 1, 1997
PubMed

Insights

Decorative tattoos containing ferromagnetic pigments can cause pain and necessitate stopping Magnetic Resonance Imaging (MRI) scans. This study demonstrates the magnetic properties of tattoo inks and discusses managing this complication.

Area of Science:

  • Radiology
  • Materials Science
  • Medical Devices

Background:

  • Magnetic Resonance Imaging (MRI) is a crucial diagnostic tool.
  • Decorative tattoos are increasingly common in the general population.
  • Potential interactions between tattoos and MRI environments are not fully understood.

Observation:

  • A patient experienced pain during an MRI examination attributed to a decorative tattoo.
  • The MRI study was terminated due to the adverse reaction.
  • The tattoo's ferromagnetic properties were suspected as the cause.

Findings:

  • The ferromagnetic nature of the tattoo pigments, specifically iron oxide, was experimentally demonstrated.
  • The interaction between tattoo materials and the MRI's magnetic field can lead to thermal effects and pain.
  • Understanding tattoo composition is vital for MRI safety.

Implications:

  • Patients with tattoos should be screened for potential MRI complications.
  • Awareness among radiologists and patients regarding tattoo-related MRI risks is essential.
  • Development of guidelines for tattoo safety in MRI environments is recommended.

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