Q. I have seen some reports linking CT scans and cancer. This news has really bothered me since I've had a couple that I really didn't think I needed.
What is your perspective on it? What can be done to avoid unnecessary radiation?
A. CT scans are useful for diagnosing hidden problems, but they can entail a lot of radiation (about equivalent to as many as 400 x-rays). That is why overuse may increase the risk of cancer.
The best approach is for each patient to ask questions when a CT scan is recommended. People need to understand if it is necessary and how it will change the treatment pl
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