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Feasibility of radiation dose reduction with iterative reconstruction in abdominopelvic CT for patients with inappropriate arm positioning

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Fig 1 and Table 2 shows the results of qualitative analysis. The beam hardening artifacts in the reduced-dose scan with FBP reconstruction were significantly greater than those in the  stan-dard-dose scan with FBP reconstruction ( P = 0.025)
Table 2. Subjective image quality scores of reduced-dose CT compared with standard-dose CT � .
Fig 2. Multidetector CT images (A: standard-dose CT image; B-D: reduced-dose CT images) of a 45-year-old male patient with his two arms positioned on his sides

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