Dual-layer detector CT of chest, abdomen, and pelvis with a one-third iodine dose: image quality, radiation dose, and optimal monoenergetic settings.

Y Nagayama,T Nakaura,S Oda, N Taguchi,D Utsunomiya,Y Funama,M Kidoh,T Namimoto,D Sakabe,M Hatemura,Y Yamashita

Clinical Radiology（2018）

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摘要

•Organ and vessel contrast of DLCT-VMI steeply increase as the energy decreases.•Image noise of DLCT-VMI is almost constant across each energy.•For one-third-iodine CAP-DLCT, VMI at 40–45-keV provides diagnostic image quality.•CAP-DLCT decreases radiation dose by 20% compared to conventional120-kVp.

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