A 44-year-old male asked:
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i am having 3rd ct scan in 4 years. one for kidney and two of brain for vertigo. dr says i need third. am i in danger of radiation?

1 doctor answer
Dr. Michael Gabor
33 years experience Diagnostic Radiology
No: Unnecessary radiation should always be avoided. For diagnostic X-ray use, the minimal radiation risk is outweighed by the medical benefits. You can calculate your risk at xrayrisk.com.
Answered on Jul 12, 2014
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Dr. Steven Watry
20 years experience General Practice
Agree - rad devices use much less radiation today that they did years ago. The need to follow up, make sure that there are no tumor growths over time is very important.
Jul 12, 2014

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