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3 CT scans in a year
Hello I had a serious head injury about 13 months ago and had to get a CT scan of the head back then. Post the first scan, I had two more head CT scans for follow ups after 4 months and 7 months respectively. My friend recently enlightened me about the radiations caused by these tests and how they can factor in to inducing serious issues like cancer in the future. I do not wish to google my concerns, hence I'm posting a question here, can someone please tell me about the risks these tests entail? I shouldn't be getting another one any time soon, as long as I live out of harms way. Please respond as I genuinely need the answer in order to ease my paranoia. Thank you so much. -Best regards
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Don’t worry at all. One CT head causes exposure of 2 mSV radiation dose to body. So u have taken 6 mSV from your CT scans. Normally we also get radiation from environment sources like mobile and many devices. 2 mSV dose can be acquired from environment in approx 8 months. The cancer risk is controversial between 20 to 100 mSV in research. If more than 100 mSV is acquired the the risk increases after a minimum period of 5-10 years. So Don’t worry if your concern is related to CT head only.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.