Radiation dose optimization potential of deep learning-based reconstruction for multiphase hepatic CT: A clinical and phantom study

Yasunori Nagayama,Makoto Goto,Daisuke Sakabe,Takafumi Emoto,Shinsuke Shigematsu,Narumi Taguchi,Natsuki Maruyama,Sentaro Takada,Ryutaro Uchimura,Hidetaka Hayashi,Masafumi Kidoh,Seitaro Oda,Takeshi Nakaura,Yoshinori Funama,Masahiro Hatemura,Toshinori Hirai

European Journal of Radiology（2022）

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摘要

•DLR considerably reduces image noise in multiphase hepatic CT compared with IR.•DLR preserves preferable noise texture and spatial resolution even at lower doses.•Low-contrast detectability of half-dose DLR is higher than of full-dose HIR.

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关键词

Multidetector Computed Tomography,Liver,Deep-learning,Image Reconstruction,Radiation Exposure

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