We developed a k-factor-creator software (kFC) that provides the k-factor for CT examination in an arbitrary scan area. It provides the k-factor from the effective dose and dose-length product by Imaging Performance Assessment of CT scanners and C...
Adequate dose management during computed tomography is important. In the present study, the dosimetric application software ImPACT was added to a functional calculator of the size-specific dose estimate and was part of the scan settings for the au...
Tomonobu Haba Shuji Koyama Yutaka Kinomura Yoshihiro Ida Masanao Kobayashi
Australasian physical & engineering sciences in medicine 39(3) 697-703 2016年9月 [査読有り]
The American Association of Physicists in Medicine (AAPM) task group 204 has recommended the use of size-dependent conversion factors to calculate size-specific dose estimate (SSDE) values from volume computed tomography dose index (CTDIvol) value...
AJR. American journal of roentgenology 207(2) 354-61 2016年8月 [査読有り]
OBJECTIVE: The purpose of this study was to compare the effects of tube current modulation between single- and dual-energy CT with a second-generation dual-source scanner. MATERIALS AND METHODS: Custom-made elliptic polymethylmethacrylate phantoms...
Masanao Kobayashi Yasuki Asada Kosuke Matsubara Shouichi Suzuki Kichiro Koshida Yuta Matsunaga Tomonobu Haba Ai Kawaguchi Hiroshi Toyama Ryouichi Kato
Journal of applied clinical medical physics 17(4) 342-356 2016年7月 [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...
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