During fetal computed tomography (CT) imaging, because of differences in the pregnancy period and scanning conditions, different doses of radiation are absorbed by the fetus. We propose a correction coefficient for determining the fetal...
Journal of Applied Clinical Medical Physics 22(2) 178-184 2021年2月 [査読有り]
This study aimed to compare the dose and noise level of four tube voltages in abdominal computerized tomography (CT) examinations in different abdominal circumference sizes of pregnant women. Fetal radiation doses were measured with two anthropomo...
Physical and Engineering Sciences in Medicine 2020年9月 [査読有り]
<title>Abstract</title>
Organ-effective modulation (OEM) is a computed tomography scanning technique that reduces the exposure dose to organs at risk. Ultrasonography is commonly used for prenatal imaging, but its reliability is reported to be lim...
Proceedings of the Twenty-Second EGS User's Meeting in Japan 19-24 2015年
There has been a growing concern regarding exposure to superficial radiosensitive organs with the rapid increase of computed tomography examinations. Manufacturers have been developing various dose reduction methods in order to prevent harm to the...