Dr. Andrew Chellakumar Fenn
Radiation Oncology
The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.
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Patient's Query
Hello doctor,
Does the natural background radiation level (3 mS v per year) add to cancer risk on top of a dose from medical imaging, or is natural radiation separate or safe since we all receive it?
Hello,
Welcome to icliniq.com.
One mSv is the limit for the general public. The background is usually within this limit. But radiation workers have a limit of 20 mSv per year, which is also very safe. Also, doses from medical imaging can contribute. But the benefits from medical imaging offset any potential theoretical risks of increased cancer risk. Background radiation is 0.1 uSv per hour, which comes to about one mSv in a year.
Patient's Query
Thank you doctor,
Thanks for the advice.
Hello,
Welcome back to icliniq.com.
You are most welcome.
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Radiation Oncology
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