A Simulation Paradigm for Evaluation of Subtle Liver Lesions at Pediatric CT: Performance and Confidence.

Jennifer S NgoJustin B SolomonEhsan SameiTaylor RichardsLawrence NgoAlaattin ErkanliBohui ZhangBrian C AllenJoseph T DavisAmrita DevalapalliRaymond GrollerDaniele MarinCharles M MaxfieldVishwan PamarthiBhavik N PatelGary R SchoolerDonald P Frush

Published in: Radiology. Imaging cancer (2019)

Sensitivity for lesion detection significantly decreased as dose decreased; however, confidence did not change between the full-dose and 25% reduced-dose scans. This suggests that readers are unaware of this decrease in performance, which should be accounted for in clinical dose reduction efforts.Keywords: Abdomen/GI, CT, Liver, Observer Performance, Pediatrics, Perception Image© RSNA, 2019.

Keyphrases

computed tomography
dual energy
contrast enhanced
image quality
deep learning
quality improvement
machine learning
pet ct