Skip to main content

Table 5 Summary of published data on PET/CT parameters and patient effective dose for 18FDG whole body oncological studies

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

Reference Scan length as per this study Study from Study to Comment or CT description Tube current mAs or mA and s AEC CTDIvol (mGy) DLP (mGy cm) ED_CT (mSv) Activity (MBq) ED_PET (mSv)
[7] Torso Base of the skull Upper-thigh Impact of AEC 100–300 mA and 0.5 s Yes 7.2 370 6.23
250 mA and 0.5 s No 18.6
[36] Torso Base of the skull Upper-thigh TAI patients 112 mAs Yes 14.4 ± 2.8 312 ± 43 4.4 ± 0.6
[22] Torso Base of the skull Mid-thighs Standard CT 39 mAs Yes 438 ± 85 5.0 ± 1.0 450 ± 32 9.0 ± 1.6
Diagnostic CT 120 mAs   1050 ± 342 15.4 ± 5.0
[30] H&Torso Head Mid-thighs Initial CT Yes 6.4 ± 2.4 537 ± 222 8.1 ± 3.3
Optimized CT   4.3 ± 1.6 368 ± 145 5.5 ± 2.1
[20] H&Torso Top of the skull Mid-thighs Most frequent CT 110 mA and 0.8 s 4.3 434 7.5 336 ± 49 5.6
Special CT 250 mA and 0.5 s 6.0 616 10.95
Special CT 300 mA and 0.5 s 7.2 732 13.2
[8] H&Torso Vertex Mid-thighs 80 mAs Yes 8.2 304 ± 45 6.3 ± 1.2
[21] H&Torso Head Pelvis High-quality CT 80 mA and 0.8 s 19.0
High-speed CT 8.8
[9] H&Torso Head Mid-thighs Center 1 84 mA and 0.5 s Yes 5.9 ± 1 591 ± 130 7. 8 258 ± 56 4.9
Center 2 Yes 5.4 ± 2 575 ± 248 7.7 313 ± 73 5.9
WB Head Feet Center 1 89 mA & 0.5 s Yes 6.2 ± 1.4 1112 ± 285 9.4 258 ± 56 4.9
Center 2 Yes 3.7 ± 1 620 ± 166 5.9 313 ± 73 5.9
[23] Symphysis Low-dose CT 1–2.9 1.3–4.5 300–370 5.7–7
Contrast-enhanced CT 9.5–14.1 14.1–18.6
This study Torso Base of the skull Mid-thighs 120 mAs Yes 6.3 557 10.3 323 6.1 ± 1.2
HNT Vertex Mid-thighs 4.9 + 5.4 187 + 429 9.7 ± 2.2 299 ± 43 5.7 ± 0.8
WB Head Feet 7.9 + 3.3 776 + 307 14.0 ± 4.9 321 ± 71 6.1 ± 1.3