Optimization of low-dose scan parameters in dual-energy computed tomography for displaying the anterior cruciate ligament

Objective This study was performed to assess low-dose scan parameters in dual-energy computed tomography (CT) for displaying the anterior cruciate ligament. Methods Dual-energy CT scans with low and standard dose parameters, respectively, were performed in nine human knee joint specimens. Eighteen imaging data sets for cruciate ligament specimens were obtained and processed. Statistical analysis was performed for signal-to-noise ratios of the CT images and subjective scores. Results Comparable signal-to-noise ratios and subjective image quality scores by evaluators in dual-energy CT anterior cruciate ligament images between the low and standard-dose groups were observed. Conclusion Low-dose scan parameters do not compromise the outcomes of anterior cruciate ligament imaging.

Abstract licence: CC BY-NC

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