Head region | Abdominal region | |||||
Imaging condition | Brain perfusion scintigraphy (N-isopropyl-4-iodoamphetamine(123I) hydrochloride, 111 MBq) | CT (brain) | Total radiation exposure (mGy) | Liver scintigraphy (galactosyl human serum albumin diethylenetriamine pentaacetic acid, 185 MBq) | CT (liver) | Total radiation exposure (mGy) |
90 kVp | ||||||
25 mAs | 2.52 | +1.39 | 3.91 | 9.99 | +1.40 | 11.39 |
50 mAs | +2.76 | 5.28 | +2.99 | 12.98 | ||
100 mAs | +4.98 | 7.50 | +6.16 | 16.15 | ||
150 mAs | +7.82 | 10.34 | +9.29 | 19.28 | ||
200 mAs | +11.20 | 13.72 | +11.19 | 21.18 | ||
250 mAs | +13.93 | 16.45 | +14.80 | 24.79 | ||
300 mAs | +17.00 | 19.52 | +18.23 | 28.22 | ||
120 kVp | ||||||
25 mAs | 2.52 | +3.21 | 5.73 | 9.99 | +3.64 | 13.63 |
50 mAs | +7.29 | 9.81 | +7.41 | 17.40 | ||
100 mAs | +12.61 | 15.13 | +13.88 | 23.87 | ||
150 mAs | +19.60 | 22.12 | +22.13 | 32.12 | ||
200 mAs | +25.05 | 27.57 | +29.81 | 39.80 | ||
250 mAs | +32.48 | 35.00 | +32.64 | 42.63 | ||
300 mAs | +37.79 | 40.31 | +43.23 | 53.22 | ||
140 kVp | ||||||
25 mAs | 2.52 | +5.08 | 7.60 | 9.99 | +5.37 | 20.68 |
50 mAs | +10.18 | 12.70 | +10.69 | 20.68 | ||
100 mAs | +20.51 | 23.03 | +21.01 | 31.00 | ||
150 mAs | +27.37 | 29.89 | +30.82 | 40.81 | ||
200 mAs | +38.83 | 41.35 | +42.04 | 52.03 | ||
250 mAs | +49.98 | 52.50 | +50.08 | 60.07 | ||
300 mAs | +65.07 | 67.59 | +62.19 | 72.18 |