Artefacts on MRI Brain due to Metallic Dental Crown (Cap)

Metallic dental crowns (caps) are routinely put for teeth-related problems. Many of these people require MRI. Sometimes, these caps can not be removed or occasionally these metallic caps are inadvertently left prior to MRI. Metallic caps can lead to various artefacts on the MRI and we should be aware of them, so as to avoid making an erroneous diagnosis. Sometimes, these artefacts can hide an underlying pathology. The size of an artefact can be much larger as compared to the size of metallic cap/crown.

Published by Dr Sudhir Kumar MD (Medicine) DM (Neurology)

I am a doctor with 25 years experience. I have worked as a neurologist for about 20 years. Educating public and healthcare professionals is very dear to me. This is possible due to my interactions with thousands of patients and their caregivers. I salute the patients who suffer and it is our duty to minimise suffering by preventing diseases and ensuring prompt diagnosis and treatment of those already affected.

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