Imaging Techniques and Research(CT)　Image Quality and Patient Dose

[9] Experience of Optimal Mask Image Dose Using CT Lung Subtraction Method

^○Fukushima Keita¹, 小柳正道¹, 苅安俊哉², 壺井美香³, 宮崎功¹, 中西章仁¹, 横山健一², 似鳥俊明² (1.Kyorin University, 2.杏林大学　医学部　放射線医学教室, 3.東芝メディカルシステムズ（株）)

Keywords:chest, lung subtraction, standard deviation, CT-automatic exposure control (CT-AEC）, dose reduction