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Fig. 3 | EJNMMI Physics

Fig. 3

From: Optimisation of CT protocols in PET-CT across different scanner models using different automatic exposure control methods and iterative reconstruction algorithms

Fig. 3

Example matched patient images. a Patient (BMI 23.8) scanned with the GE reference protocol; CTDIvol = 2.75 mGy, liver ROI standard deviation = 19.7. b Patient (BMI 23.8) scanned on the Siemens scanner; CTDIvol = 2.06 mGy, liver ROI standard deviation = 23.8. The red circles show the regions of interest used for the noise quantification

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