Fig. 3 | Scientific Reports

Fig. 3

From: Image quality and radiation dose of reduced-dose abdominopelvic computed tomography (CT) with silver filter and deep learning reconstruction

Fig. 3

Comparison between standard-dose and reduced-dose protocol in abdominopelvic computed tomography (CT). A 43-year-old man with a body mass index of 25.3 kg/m2 underwent a standard-dose CT with IR, resulting in an effective dose of 5.89 mSv. A 46-year-old man, also with a body mass index of 25.3 kg/m2, was scanned using the SilverBeam with DLR, achieving an effective dose of 2.65 mSv. CT images acquired with SilverBeam with DLR showed a significant reduction in radiation dose while maintaining the image quality, providing comparable anatomical delineation of the liver (a) and pancreatic body and tail (b). In addition, DLR + CE-boost allowed better visualization of vascular (blue arrows), compared with non-CE images. IR iterative reconstruction; DLR deep learning reconstruction; CE contrast-enhanced; ED effective dose.

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