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Seán O'connor

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Limiting radiation exposure while obtaining diagnostic-quality imaging is an essential goal of diagnostic radiology. This is particularly true for computed tomography (CT) scanning in children, who are more susceptible than adults to stochastic effects of radiation exposure. High-pitch technique with iterative reconstruction using modern dual-source CT scanners can reduce CT dose. This method uses some combination of peak kilovoltage (kVp) reduction and tube current modulation while also leveraging dual-source geometry to increase the pitch at which the images are acquired. Our institution recently transitioned to this method of performing CT scans. As part of a quality assurance study, we reviewed the dose exposure to our patients pre- and post-implementation. Read More

Meeting name: SPR 2020 Annual Meeting & Postgraduate Course , 2020

Authors: O'connor Seán, Graeber Brendon

Keywords: Dose Reduction, dual-source, high-pitch