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Health Sciences›Medicine›Radiology, Nuclear Medicine and Imaging

Radiation Dose and Imaging

Medical imaging procedures, particularly computed tomography, deliver ionizing radiation to patients in doses that, while diagnostically valuable, carry a small but measurable risk of inducing cancer over a lifetime. Quantifying that risk precisely is difficult because the doses involved are low, the latency period for radiation-induced cancers spans decades, and human populations are exposed to background radiation that complicates comparisons. Children are of special concern, since their developing tissues are more radiosensitive and they have more years ahead in which a radiation-related cancer could emerge. Active research focuses on refining dose estimation models, developing protocols that preserve image quality while minimizing exposure, and understanding how occupational exposure accumulates among radiology workers over careers.

Works
109,633
Total citations
790,024
Keywords
Radiation ExposureComputed TomographyCancer RiskDiagnostic ImagingIonizing RadiationPediatric CT Scans

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