JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS 17(4) 342-356 2016年 [査読有り]
The primary study objective was to assess radiation doses using a modified form of the Imaging Performance Assessment of Computed Tomography (CT) scanner (ImPACT) patient dosimetry for cardiac applications on an Aquilion ONE ViSION Edition scanner...
The relationship between heart rate (HR) and computed tomography dose index (CTDI) was evaluated using an electrocardiogram (ECG) gate scan for scan applications such as prospective triggering, Ca scoring, target computed tomography angiography (C...
Tomonobu Haba   Shuji Koyama   Yoshihiro Ida   
Radiological Physics and Technology 7(1) 133-140 2014年 [査読有り]
The longitudinal dose profile in a computed tomography dose index (CTDI) phantom had been studied by many researchers. The cross-sectional dose profile in the CTDI phantom, however, has not been studied. It is also important to understand the cros...
Radiological Physics and Technology 6(2) 423-430 2013年7月 [査読有り]
Detective quantum efficiency (DQE) is widely used as a comprehensive metric for X-ray image evaluation in digital X-ray units. The incident photon fluence per air kerma (SNRin2) is necessary for calculating the DQE. The International Electrotechni...
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...