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What Does The Following CT Scan Report Indicate?

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Posted on Mon, 23 Feb 2015
Question: 10-12 total head CTs, 1 CTA head. I have had 7 of these CTs in the past ten years.
8 chest CTs
1 neck CT
3 abdomen CTs
1 kidney CT


Is this considered excessive? What are my cancer risks? What types of cancers am I at risk for developing? What are my brain cancer risks?
doctor
Answered by Dr. Vivek Chail (20 minutes later)
Brief Answer:
You have an additional cancer risk of 1.41 %

Detailed Answer:
Hi XXXX,
Thanks for writing in to us.

I have read through your query in detail.
The X ray doses from CT scans is as below

12 total head CT scans is 24 mSv
1 CTA is 16.4 mSv
8 chest CT scans is 56 mSv
1 neck CT scan is 7 mSv
3 abdomen CT scans 24 mSv
1 kidney CT scan 8 mSv

Total approximate radiation dose received in 10 years is 134.4 mSv. Therefore you have an additional cancer risk of 1.41 %.

In other words there is a 98.58 % chance of having no effect of the above studies.

We cannot specifically say brain cancer risks, it is risk of developing cancer any where in the body.

It is important to know why you got so many CT scans done including that of brain and chest.

Please feel free to correct any oversight in my interpretation of your problems and discuss them in detail as per your requirements.

Hope your query is answered.
Do write back if you have any doubts.

Regards,
Dr.Vivek
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Vivek Chail (6 minutes later)
Thank you. I have a blood clotting disorder that affects my balance and I have fallen down flignts of stairs or other accidents that have resulted in needing a CT. I have had lung infections that didnt clear and got the chest CT. I have been upset about CTs. I only recently realized they were cummulative. Thank you .
doctor
Answered by Dr. Vivek Chail (6 hours later)
Brief Answer:
Please take care not to hurt yourself

Detailed Answer:
Hi XXXX,
Thanks for writing back with an update.

Its unfortunate that you are having a clotting disorder. The only way to avoid injury is protecting yourself from situations that can cause physical hurt to you.

Please do not worry much about the X ray exposure through so many CT scans. It will help to get X ray chest done in place of Ct scan chest.

Abdominal injuries can first be screened by ultrasound scan.

The brain needs to be protected well as in emergency CT scans is the only life saving investigation. MRI scan takes time and might not be available at your ER.

Wishing you good health.

Should you have any query in future and wish to have it answered by me then please quote query Id 167436 and Attn Dr.Vivek Chail and the query will be sent to me by the moderators and I will give you a detailed reply at the earliest. Wishing your family good health.

Regards,
Dr.Vivek.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Vivek Chail

Radiologist

Practicing since :2002

Answered : 6874 Questions

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What Does The Following CT Scan Report Indicate?

Brief Answer: You have an additional cancer risk of 1.41 % Detailed Answer: Hi XXXX, Thanks for writing in to us. I have read through your query in detail. The X ray doses from CT scans is as below 12 total head CT scans is 24 mSv 1 CTA is 16.4 mSv 8 chest CT scans is 56 mSv 1 neck CT scan is 7 mSv 3 abdomen CT scans 24 mSv 1 kidney CT scan 8 mSv Total approximate radiation dose received in 10 years is 134.4 mSv. Therefore you have an additional cancer risk of 1.41 %. In other words there is a 98.58 % chance of having no effect of the above studies. We cannot specifically say brain cancer risks, it is risk of developing cancer any where in the body. It is important to know why you got so many CT scans done including that of brain and chest. Please feel free to correct any oversight in my interpretation of your problems and discuss them in detail as per your requirements. Hope your query is answered. Do write back if you have any doubts. Regards, Dr.Vivek