Abstract:Background: Same head CT examination protocol was employed for pediatric patients who’s skull sizes are different , this could be excessive radiation doses because they usually have smaller head circumference. In our study, we investigate if mAs according to head circumference(HC) reduce radiation doses of sensitive organs including brain, eye lens and salivary glands, but could keep the image quality. Methods: 83 pediatric patients were prospectively selected. Without limiting the head circumference, 15 pedia… Show more
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