Advancements in pediatric imaging
A review of techniques for reducing radiation exposure
Keywords:
Pediatric imaging, radiation exposure, leapfroggingAbstract
Pediatric imaging research has been particularly susceptible to the phenomenon of technologic "leapfrogging", in which advances in technology have outstripped progress in validating and implementing them in a patient-based, clinical setting. This review describes work underway to develop new techniques that can reduce pediatric imaging radiation exposure, principally by investigating new acquisition technologies and adjusting existing techniques, protocols, and practices to better conform to the special imaging needs of pediatric patients. These efforts have already helped develop and bring to the clinic new technologies such as iterative reconstruction for CT, dynamic helical CT, and quantitative susceptibility mapping for MRI. The pieces are also in place for additional future benefits for pediatric imaging. Advances in imaging, particularly for pediatrics, are often achieved late in the product cycle, with the result that new beneficial technologies take years, sometimes an entire market cycle, before they are adopted clinically due to the slow pace of capital equipment acquisition.
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