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A 45-year-old female asked:

My former endocrinologist told me that i was likely going to develop cancer from several mris i have had to follow a pituitary adenoma and benign liver tumor. are mris causing cancer in patients?

3 doctor answers • 9 doctors weighed in
Dr. Marsha Davis
Dr. Marsha Davisanswered
Internal Medicine 30 years experience
Unlikely : Mris do deliver quite a bit of radiation but i think the dr was trying to discourage you from wanting more, but not in a way i would!
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5.1k viewsReviewed >2 years ago
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Dr. Nela Cordero
Dr. Nela Cordero agrees1 doctor agrees
1 comment
Dr. Ed Friedlander
Dr. Ed Friedlander commented
Pathology 46 years experience
The radiation produced by MRI's isn't the ionizing kind that causes cancer.
May 23, 2013
Dr. Nela Cordero
Dr. Nela Corderoanswered
Pediatrics 56 years experience
MRI CAUSES CANCER ?: No idea if it does. Mri are still being used a lot for dx.
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5.1k viewsReviewed >2 years ago
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Dr. Ed Friedlander
Dr. Ed Friedlander agrees1 doctor agrees
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Dr. Ed Friedlander
Dr. Ed Friedlander commented
Pathology 46 years experience
This must be a misunderstanding. MRI's don't produce ionizing radiation. Even the radiation from CT scans and ordinary X-rays probably causes only rare cancers; therapeutic radiation in massive doses for cancer cure produces secondary malignancy in only a few percent of cases.
May 23, 2013
Dr. Brian Struyk
Dr. Brian Struykanswered
Anesthesiology 23 years experience
Nonsense: Mris use powerful magnets to harmlessly and temporarily change the orientation of atoms in your tissues. They then use radio waves to visualize the image. The change of atom spin and orientation has no effect on the molecules or their function. The type of radiation that causes cancer is ionizing radiation. You get exposed to that with ct scans, xrays, air travel, etc. But not mris. Fear not.
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4.9k viewsReviewed >2 years ago
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Dr. Alan Ali
Dr. Heidi Fowler
Dr. Marsha Davis
Dr. Alan Ali and 5 doctors agree6 doctors agree

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Last updated Oct 4, 2015

Found in:

Cancer›Neoplasms›MRI

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