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Does Frequent CT Testing Increase The Risk Of Cancer?

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Posted on Fri, 13 Feb 2015
Question: I am a 38 year old male who in 2014 went through alot of CT testing and I wanted you to review my testing and help me understand my cancer risk. It all started in 2/14 when I fell in the shower due to my leg going numb. I hit my head and it appeared I had a stroke. So I was given 2 Head CT Scans and 1 of my back.
Then in 3/14 my blood pressure started getting really high so the doctors at the same hospital did 3 CT Angiograms where they look at the inside of my heart.
Then in 4/14 on Easter I had an episode where my heart rate went to 187 and BP was 226/167 and I could not breathe. I went back to the same hospital the ER said I had a panic attack and sent me home. Problems kept happening over the next 3 months and I would go to the ER have a 150 Heart Rate, High D Dimer and High BP along with chest pain and shortness of breath. They did 7 CT scans of my chest for Pulmopnary Embolisms and all came up negative they never scanned my legs. Then I had a massive chest pain with heart rate of 180 and on the 8th CT Scan they found blood clot in both lungs. So a month later I have 2 more CT scans to see if they moved.
then 1 more the 3 rd month to see if they were gone.
Plus while on Warfain one mornign I had blood coming out my ear so they did 2 head cts. then I had another chest CT to get offf the 6th month therapy. So in almost 9 months I have had 17 to 19 scans of some sort. I am really worried about cancer risk. My doctor says it is still very low risk, Xrayrsisk.com lets you enter in all your testing and it says I have a very low risk of cancer. That all that testing only increased my cancer risk by less than 2 %. Then I read articles that have all kinds of horrible CT scan will kill you. So after approx 4 head Cts, 1 of my back, 3 heart angiograms and probable 10 -12 chest PE CTs how does this effect my cancer risk and could you give me some information on the effects of if it does hurt you does it take years like the Drs say it does. I am now having all kinds of nausea, no vomiting, stomach pain and headaches. I figure it might be from stress becuase I am veyr worried about this.
doctor
Answered by Dr. Monish De (4 hours later)
Brief Answer:
Very low chance of cancer

Detailed Answer:
Hi
I have gone through your history.
Ct scans increase cancer risk only by 1 %.
You do not need to worry and I would advise you to do a pet scan for your symptoms you are having.
For nausea you can take tablet domstal 10 mg twice daily after food.
Regards
Dr de
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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Monish De

Oncologist

Practicing since :2004

Answered : 2229 Questions

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Does Frequent CT Testing Increase The Risk Of Cancer?

Brief Answer: Very low chance of cancer Detailed Answer: Hi I have gone through your history. Ct scans increase cancer risk only by 1 %. You do not need to worry and I would advise you to do a pet scan for your symptoms you are having. For nausea you can take tablet domstal 10 mg twice daily after food. Regards Dr de