Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Rika, Fukui"'
Publikováno v:
Japanese Journal of Radiology. 40:94-102
The purpose of the study is to evaluate the effect of energy level on the modulation transfer functions (MTF) and noise power spectra (NPS) of virtual monochromatic images (VMIs) obtained using four types of computed-tomographic (CT) scanners: Revolu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::738c7149ebd25f6c85beee76f8cbd48c
https://doi.org/10.1007/s11604-021-01180-y
https://doi.org/10.1007/s11604-021-01180-y
Autor:
Haruto Sugawara, Tomoko Takayanagi, Shigeru Suzuki, Rika Fukui, Yuzo Yamamoto, Takuya Ishikawa, Yoshiaki Katada
Publikováno v:
Academic Radiology. 27:1586-1593
Rationale and Objectives To compare degradation of the image quality due to beam hardening artifacts in reduced-iodine-dose virtual monochromatic imaging (VMI) between a new fast kVp switching dual-energy computed tomography (CT) scanner (Revolution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d87861039f8c4ea7ace64219d3392bcf
https://doi.org/10.1016/j.acra.2019.11.015
https://doi.org/10.1016/j.acra.2019.11.015
Autor:
Mayuka Suzuki, Yuzo Yamamoto, Rika Fukui, Shigeru Suzuki, Sadatoshi Kuwahara, Suguru Nakayama
Publikováno v:
Journal of Computer Assisted Tomography. 45:93-97
OBJECTIVE Our aim was to evaluate effects of the energy level and contrast on the spatial resolution of virtual monochromatic imaging (VMI). METHODS With 2 types of computed tomographic (CT) scanners (Discovery CT750 HD and Revolution CT), we scanned
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf5bcdc1f2845c70d127315db3c4bc8b
https://doi.org/10.1097/rct.0000000000001046
https://doi.org/10.1097/rct.0000000000001046
Publikováno v:
Journal of computer assisted tomography. 46(1)
This study aimed to compare the performance of deep learning image reconstruction (DLIR) with that of standard filtered back projection (FBP) and adaptive statistical iterative reconstruction V (ASiR-V) for measurement of the vascular diameter on com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ddc13160deb97740300b108de8c1de8
https://pubmed.ncbi.nlm.nih.gov/35099132
https://pubmed.ncbi.nlm.nih.gov/35099132
Publikováno v:
Journal of Coronary Artery Disease. 25:90-97
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::506f5e3e280595d12cb093aae7a91fb4
https://doi.org/10.7793/jcad.25.19-00013
https://doi.org/10.7793/jcad.25.19-00013
Autor:
Hideki Itoh, Tomohiro Terada, Tetsuichiro Isono, Satoshi Ueshima, Daiki Hira, Rika Fukui, Yuki Kunitsu, Yohei Tabuchi, Yoshihiro Ikuno, Toshihiro Tanaka
Publikováno v:
Journal of Clinical Biochemistry and Nutrition
In clinical practice, edoxaban is sometimes prescribed for off-label use based on the hypothesis that it is as safe and effective as warfarin. However, there is limited safety information on off-label use due to lack of clinical trial. We aimed to an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::225913908f6659d026b962211b24daec
https://pubmed.ncbi.nlm.nih.gov/34857995
https://pubmed.ncbi.nlm.nih.gov/34857995
Autor:
Shigeru Suzuki, Masafumi Kaiume, Rika Fukui, Shingo Harashima, Takuya Ishikawa, Yoshiaki Katada
Publikováno v:
Medicine
The purpose of this study was to compare the effectiveness of a metal artifact reduction algorithm (MAR), model-based iterative reconstruction (MBIR), and virtual monochromatic imaging (VMI) for reducing metal artifacts in CT imaging. A phantom study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53cf030f7d99e02558d6d25163010815
https://pubmed.ncbi.nlm.nih.gov/33327359
https://pubmed.ncbi.nlm.nih.gov/33327359
Autor:
Shigeru Suzuki, Yuzo Yamamoto, Takuya Ishikawa, Rika Fukui, Yoshiaki Katada, Koji Tanigaki, Tomoko Takayanagi
Publikováno v:
The British journal of radiology. 93(1110)
Objective: The purpose of this study was to evaluate the image quality in virtual monochromatic imaging (VMI) at 40 kilo-electron volts (keV) with three-dimensional iterative image reconstruction (3D-IIR). Methods: A phantom study and clinical study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::447fd7576fde0509c4f3d7452886a650
https://pubmed.ncbi.nlm.nih.gov/32208973
https://pubmed.ncbi.nlm.nih.gov/32208973
Autor:
Yoshiaki Katada, Yuzo Yamamoto, Shigeru Suzuki, Haruto Sugawara, Osamu Abe, Takuya Ishikawa, Rika Fukui
Publikováno v:
European Radiology. 29:1400-1407
To compare image quality of abdominal arteries between full-iodine-dose conventional CT and half-iodine-dose virtual monochromatic imaging (VMI). We retrospectively evaluated images of 21 patients (10 men, 11 women; mean age, 73.9 years) who underwen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04cb8474493b40b4137ac4be7f665306
https://doi.org/10.1007/s00330-018-5724-4
https://doi.org/10.1007/s00330-018-5724-4
Autor:
Rika Fukui, Shigeru Suzuki, Haruto Sugawara, Yuzo Yamamoto, Takuya Ishikawa, Yoshiaki Katada, Osamu Abe
Publikováno v:
Journal of Computer Assisted Tomography. 42:919-924
Objectives The aim of this study was to compare accuracy of measurement between virtual monochromatic imaging (VMI) in dual-energy computed tomography and conventional polychromatic 120-kVp computed tomographic scan in vascular models containing vari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e90f322526f15ea5edf5d539d6ea2602
https://doi.org/10.1097/rct.0000000000000769
https://doi.org/10.1097/rct.0000000000000769