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A clinician ordering an imaging test must be familiar with the indications and contraindications of multiple imaging modalities and their alternatives, taking into consideration factors such as radiation exposure, cost, and goal of imaging. A major concern with imaging in children is the child’s exposure to ionizing radiation. Pediatric radiologists modify imaging parameters to minimize radiation by following standard protocols, particularly for computed tomography (CT) scans. Pediatric radiologists keep in mind the concept of as low as reasonably achievable in terms of a child’s exposure to radiation during imaging. The Image Gently campaign1  is an initiative of the Alliance...

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