Image Quality and Dose Comparison of Single-Energy CT (SECT) and Dual-Energy CT (DECT)

Figure 7

DECT and SECT of abdomen. Abdominal 120 kV second generation. (a) Effective dose adjusted for standard 40 cm acquisition length was 6.5 mSv. Images from a second-generation dual-energy CT (DECT) study in a 58-year-old male with a BMI of 26.5 kg/m² demonstrating extensive ascites (arrows). (b) Adjusted effective dose was 7.0 mSv [36].

(a)

(b)