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Table 4 Organ radiation doses (in mGy) and ED (in mSv) delivered to a patient for three different scenarios

From: Deep learning-based fully automated Z-axis coverage range definition from scout scans to eliminate overscanning in chest CT imaging

Scenario   ED CTDIvol DLP Adrenals Breast Esophagus ETR GB Kidneys Liver LN OM Pancreas RBM SG Skeleton Skin SI Spleen Stomach Thymus Thyroid
Exact Lung mean 4.9 10.37 276 7.2 9.7 10.1 1.3 1.7 1.7 5.2 3.0 0.4 4.8 1.2 0.5 8.3 2.7 0.2 4.3 3.6 16.4 4.6
STD 2.39 5.37 142 5.0 6.4 4.8 0.8 1.1 1.2 3.3 1.4 0.2 3.2 0.6 0.3 3.9 1.3 0.1 3.0 2.4 7.5 2.9
Min 1.12 1.90 50 0.9 1.6 2.2 0.2 0.2 0.1 0.8 0.7 0.1 0.7 0.3 0.1 2.0 0.6 0.0 0.5 0.5 3.3 0.5
Q1 2.9 5.93 154 3.2 4.6 6.5 0.6 0.8 0.6 2.5 1.9 0.2 2.2 0.7 0.3 5.1 1.5 0.1 1.9 1.6 10.6 1.9
Q2 4.72 10.11 256 5.5 7.8 9.8 1.2 1.4 1.3 4.2 2.9 0.3 3.9 1.1 0.4 8.0 2.4 0.2 3.5 3.0 16.4 4.4
Q3 6.34 13.61 365 10.4 14.5 12.8 2.0 2.4 2.5 7.2 3.9 0.5 6.8 1.5 0.6 10.8 3.5 0.3 6.2 5.1 20.8 6.9
Max 12.47 22.10 662 22.4 25.4 24.0 4.1 6.1 6.4 16.3 7.2 1.2 16.4 2.7 1.5 19.4 6.4 0.7 15.0 12.2 34.6 15.1
Human Mean 5.93 10.31 336 10.5 9.8 11.5 2.3 4.1 4.6 8.3 3.7 0.7 8.1 1.4 0.9 9.7 3.3 0.6 7.7 6.6 16.6 7.8
STD 3.07 5.37 182 6.1 6.6 5.5 1.7 3.7 4.4 5.1 1.9 0.5 5.2 0.7 0.7 4.8 1.8 1.0 5.2 4.7 7.8 6.0
Min 0.4 0.67 22 0.4 0.0 1.0 0.1 0.1 0.1 0.4 0.3 0.0 0.3 0.1 0.0 0.9 0.3 0.0 0.2 0.2 1.4 0.3
Q1 3.5 5.91 185 5.3 4.6 7.4 1.1 1.6 1.5 4.2 2.2 0.3 3.9 0.9 0.4 6.0 1.8 0.2 3.7 3.2 10.9 3.9
Q2 5.7 10.07 312 10.3 7.9 11.3 2.0 3.0 3.3 7.6 3.6 0.5 7.2 1.3 0.7 9.4 3.1 0.4 6.7 5.6 16.7 7.2
Q3 7.74 13.57 448 14.3 14.7 14.6 3.3 5.5 6.4 11.3 4.8 0.9 11.3 1.8 1.2 12.7 4.4 0.7 10.9 9.2 21.2 10.4
Max 14.82 21.60 825 25.6 25.6 25.9 9.7 20.8 22.5 22.7 8.9 4.3 22.1 3.1 5.1 22.0 8.2 7.8 22.0 22.1 35.0 34.1
DL Mean 4.9 10.37 277 7.2 9.6 10.1 1.3 1.7 1.7 5.2 3.0 0.4 4.8 1.2 0.5 8.3 2.7 0.2 4.3 3.6 16.3 4.6
STD 2.44 5.38 144 5.1 6.4 4.9 0.8 1.2 1.3 3.4 1.4 0.2 3.3 0.6 0.3 3.9 1.4 0.1 3.1 2.5 7.6 2.9
Min 0.39 1.42 24 0.4 0.0 0.9 0.1 0.1 0.1 0.3 0.3 0.1 0.3 0.1 0.1 0.9 0.3 0.0 0.2 0.2 1.4 0.2
Q1 2.95 6.00 155 3.2 4.6 6.5 0.6 0.8 0.6 2.5 1.9 0.2 2.2 0.8 0.3 5.2 1.5 0.1 1.9 1.6 10.7 1.9
Q2 4.75 10.11 257 5.6 7.8 9.8 1.2 1.4 1.3 4.3 2.9 0.3 3.9 1.1 0.4 8.0 2.5 0.2 3.5 3.0 16.4 4.4
Q3 6.36 13.62 367 10.5 14.5 12.9 2.0 2.4 2.5 7.3 3.9 0.5 6.9 1.5 0.6 10.8 3.5 0.3 6.3 5.2 20.8 7.0
Max 12.47 22.10 662 22.4 25.4 24.0 4.1 6.1 6.4 16.3 7.2 1.2 16.4 2.7 1.5 19.4 6.4 0.7 15.0 12.2 34.6 15.1
  1. GB Gall bladder, RBM Red Bone Marrow, SI Small Intestine, SG Salivary Glands, ETR Extra Thoracic Region, LN Lymph Nodes