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Table 3 PET scan parameters and CT exposure parameters for each protocol

From: Effective dose estimation for oncological and neurological PET/CT procedures

Diagnostic protocol No. of patients Activity
(MBq)
Number of bed positions
Median, %
CT part Effective tube current-time product
(mAs)
CTDIvol
(mGy)
DLP
(mGy cm)
Torso-11C-CHOL 10 695 ± 44 6, 80% Torso 89 ± 17 (57, 113) 6.5 ± 1.3 (4.2, 8.3) 562 ± 120 (317, 729)
Torso-18FDG 113 323 ± 63 6, 66% Torso 87 ± 27 (35, 227) 6.3 ± 1.9 (3.8, 17.0) 557 ± 208 (287, 1876)
WB-18FDG 36 321 ± 71 7, 44% H&Torso 109 ± 35 (55, 192) 7.9 ± 2.6 (4.0, 14.0) 776 ± 294 (336, 1049)
7, 53% Limbs 44 ± 14 (26, 94) 3.3 ± 1.0 (1.9, 6.9) 307 ± 104 (170, 693)
HNT-18FDG 10 299 ± 43 5, 70% Trunk 74 ± 16 (54, 106) 5.4 ± 1.2 (3.9, 7.8) 429 ± 109 (300, 684)
2, 100% H&N 67 ± 14 (44, 46) 4.9 ± 1.0 (3.2, 6.3) 187 ± 38 (123, 237)
Brain-18FDG 11 296 ± 33 1, 100% Brain 84 ± 7 (74, 96) 13.1 ± 1.0 (11.6, 15.0) 302 ± 30 (247, 349)
Brain-18FDOPA 10 159 ± 19 1, 100% Brain 72 ± 5 (65, 80) 11.6 ± 1.4 (10.2, 15.0) 271 ± 32 (237, 349)
Brain-11C-MET 10 453 ± 96 1, 100% Brain 137 ± 12 (115, 155) 20.4 ± 1.9 (17.9, 24.1) 508 ± 45 (419, 564)
Brain-18F-florbetapir 10 378 ± 13 1, 100% Brain 268 ± 25 (239, 321) 39.0 ± 3.8 (37.3, 50.0) 973 ± 89 (870, 1167)