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Over the past few years, there have been rumors of horrible experiences for tattoo baring recipients of MRIs. Most often, MRIs are perfectly safe for individuals with tattoos. In 2002, a study performed by Drs.Tope and Shellock of 135 patients with tattoos underwent MRI testing. Two of these patients had minor complications of tingling and/or slight burning sensations. 

An MRI is a diagnostic test that uses a magnetic field and radio waves to create images of your body. Tattoo inks, specifically black or brown may contain iron oxide, which can potentially conduct low-grade heat in a magnetic field of an MRI. The heat occurs with very dark, thick, circular designed tattoos. The arc of the circle creates the induction loop of heat. 

If your doctor recommends an MRI, do tell about your tattoos to both the doctor and the technician before performing the procedure. Likely, the benefits of the MRI will outweigh the risk of problems associated with your tattoos. Applying cool compresses or ice packs over the tattoo for the duration of the MRI may also help should you feel any sensitivity. Additionally, a lower magnetic field MRI machine might be considered for those heavily tattooed. Chances are you have experienced sunburn at the beach more uncomfortable then any sensation the MRI gives you due to your ink.

Modern tattoos contain less metal residue than older (25 years or more) tattoos, homemade or prison tattoos. If you’re going to get a tattoo, first, go to a professional and second, ask the artist if there is iron oxide in the ink he or she is using. Today, many colors of ink contain no metal residue at all.

Information Resources:

Mayo Clinic

Drs.Tope and Shellock

Journal of Magnetic Resonance Imaging

Purity Medical Products

Snopes Message Boards