Dose optimization in pediatric CT: current technology and future innovations

Abstract

The topic of dose in CT has generated much attention, both in the eyes of the public and popular press and also in the scientific community. CT examinations worldwide are becoming much more frequent, due mainly to the diagnostic benefits of advancement in the technology. Reports from some European countries over the past few years have shown that while CT examinations make up a small percentage of the total examinations involving ionizing radiation, the percentage contribution to the collective radiation dose from CT is higher than from any other modality – some report upwards of 40% of the total dose frommedical imaging [1, 2]. Because regulations on limits of radiation delivered per scan in the US are not in place, estimates of the percentage of medical radiation that comes from CT in the US are as high as 60% [3]. Pediatric CT dose is a major concern [4]. CT has a great clinical benefit and most of the examinations cannot easily be replaced by other radiation-free or lowradiation techniques. Therefore dose reduction is a major issue for the current and future CT systems. We must aim to minimize radiation risk following the ALARA principle. Materials and methods

DOI: 10.1007/s00247-002-0800-x

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@article{Sss2002DoseOI, title={Dose optimization in pediatric CT: current technology and future innovations}, author={Christoph S{\"{u}ss and Xiaoyan Chen}, journal={Pediatric Radiology}, year={2002}, volume={32}, pages={729-734} }