MRI artefact: tattooed eyeliner
Periorbital pain and headaches, ? orbital abnormality. On MRI safety sheet states "tattooed eyeliner - top and bottom"
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Susceptibility artefact associated with the eyelids bilaterally. This obscures the globes anteriorly. The patient felt no ill-effects from MRI.
Tattoo inks contain many heavy metals including titanium dioxide, lead, chromium, nickel and iron oxides. These can cause susceptibility artefact on MRI. They are usually non-ferromagnetic thus cause no heating or movement if injected into the eyelids as a liner.