Keywords:
Radioprotection / Radiation dose, CT, Radiation safety, Quality assurance
Authors:
S.-W. Yoon1, J. Kim2, J. Kim3, S.-K. Lee3; 1Gyunggi-Do/KR, 2Chungbuk/KR, 3Seoul/KR
DOI:
10.1594/ecr2018/C-2497
Results
For the brain CT without contrast,
DRLs of CTDIvol and DLP were shown to be 63.70 mGy,
1119.40 mGy·cm.
Intracranial CT angiography showed DRLs of CTDIvol 21.80 mGy,
DLP 836.27 mGy·cm.
Cervical spine CT showed DRLs of CTDIvol 17.89 mGy,
DLP 434.04 mGy·cm.
Lumbar spine CT showed DRLs of CTDIvol 17.92 mGy,
DLP 601.49 mGy·cm.
Neck CT with contrast showed DRLs of CTDIvol 13.75 mGy,
DLP 442.05 mGy·cm.
Chest CT showed DRLs of CTDIvol 7.30 mGy,
DLP 297.05 mGy·cm.
Low dose screening chest CT showed DRLs of CTDIvol 2.70 mGy,
DLP 101.49 mGy·cm.
Abdomen-pelvis CT with contrast showed DRLs of CTDIvol 9.70 mGy,
DLP 471.55 mGy·cm.
For the abdomen 4 phase dynamic CT with contrast,
DRLs of total DLP was 1511.40 mGy·cm.
Abdomen-pelvis CT without contrast for urinary tract stone showed DRLs of CTDIvol 9.16 mGy,
DLP 460.9 mGy·cm.
Coronary artery CT angiography showed DRLs of CTDIvol 30.10 mGy,
DLP 477.06 mGy·cm and coronary artery calcium score CT showed DRLs of CTDIvol 5.08 mGy,
DLP 76.76 mGy·cm.
For the pediatric brain CT without contrast from children under the age of 2,
between 2 to 5 years,
between 5 to 10 years,
and between 10 to 15 years,
DRLs of CTDIvol and DLP were shown to be 19.68 mGy,
298.00 mGy·cm,
24.02 mGy,
404.00 mGy·cm,
29.76 mGy,
494.00 mGy·cm and 63.47 mGy,
1087.70 mGy·cm,
respectively.
(Figure 3)