Fig. 6

Image quality of CT images at the level of thalamus. Non-ASIR CT image (a), 60% ASIR-V (b), and 80% ASIR-V (c) CT images using 80-mA tube current reduced CT protocol, and 60% ASIR-V (d) and 80% ASIR-V (e) CT images using 100-mA tube current reduced CT protocol