TABLE 4

Normalized (to CTDIfree-in-air) Maternal Organ and Embryo/Fetal Dose Data for Pregnant Patients Subjected to CTPA Exposure at 100 kV

Gestational stage (mo)
Parameter0369
BMI (kg/m2)19.7/22.9/26.319.7/22.9/26.319.7/22.9/26.319.7/22.9/26.3
Site
 Breast0.510/0.467/0.4330.510/0.467/0.4330.511/0.467/0.4330.511/0.467/0.433
 Colon0.006/0.005/0.0040.006/0.005/0.0040.006/0.005/0.0040.006/0.005/0.004
 Lung0.531/0.447/0.3730.531/0.448/0.3730.580/0.483/0.3980.583/0.488/0.407
 Red bone marrow0.140/0.115/0.0920.139/0.113/0.0890.136/0.111/0.0860.137/0.110/0.085
 Stomach0.077/0.070/0.0630.080/0.073/0.0710.097/0.087/0.0740.093/0.084/0.076
 Gonads0.010/0.008/0.0060.009/0.008/0.0060.009/0.007/0.0060.010/0.008/0.006
 Bladder0.009/0.007/0.0050.009/0.006/0.0050.009/0.006/0.0050.009/0.006/0.005
 Esophagus0.323/0.266/0.2170.322/0.265/0.2170.327/0.267/0.2170.342/0.270/0.222
 Liver0.108/0.098/0.0880.108/0.099/0.0880.140/0.124/0.1080.140/0.124/0.108
 Thyroid0.156/0.141/0.1250.155/0.140/0.1230.160/0.141//0.1260.158/0.142/0.127
 Bone0.270/0.221/0.1770.268/0.217/0.1710.267/0.214/0.1670.265/0.212/0.163
 Brain0.018/0.018/0.0180.018/0.018/0.0180.018/0.018/0.0180.018/0.018/0.018
 Salivary glands0.021/0.022/0.0210.021/0.021/0.0220.021/0.021/0.0210.021/0.021/0.021
 Skin0.084/0.080/0.0770.085/0.080/0.0780.083/0.079/0.0760.083/0.078/0.075
 Remainder0.131/0.116/0.1010.132/0.117/0.1010.136/0.120/0.1030.140/0.124/0.107
Maternal effective dose0.19/0.16/0.140.19/0.17/0.150.20/0.17/0.150.20/0.17/0.15
Embryo/fetal dose0.010/0.008/0.0070.012/0.010/0.0080.012/0.011/0.0110.012/0.012/0.012