About 15 years ago, an article in American Journal of Roentgenology raised concerns about the radiation dose from pediatric CT scans based on the linear no-threshold (LNT) model and based on the claim that children are more radiosensitive, i.e. they have a higher risk of radiation-induced cancer. This article received a lot of publicity with coverage by USA Today and other popular media. In response to the public concerns, the pediatric radiology community adopted the ALARA concept, that CT scans should be performed with radiation doses as low as reasonably achievable (ALARA). The radiological community also launched the Image Gently campaign whose mission is to improve safe and effective im
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