Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Motohiko Yamazaki"'
Autor:
Tetsuhiro Hirata, Norihiko Yoshimura, Takuya Yagi, Motohiko Yamazaki, Yosuke Horii, Hiroyuki Ishikawa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract The purpose of this study was to evaluate pre-treatment CT findings in patients with acute pulmonary embolism (PE) and determine the imaging findings associated with residual hypoperfused segments in post-treatment lung perfused blood volume
Externí odkaz:
https://doaj.org/article/7e9adfc485ef42559ac3c1a3492cc91c
Autor:
Kojiro Minato, Motohiko Yamazaki, Takuya Yagi, Tetsuhiro Hirata, Masaki Tominaga, Kyoryoku You, Hiroyuki Ishikawa
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract The purpose of this study was to evaluate the added value of the soft tissue image obtained by the one-shot dual-energy subtraction (DES) method using a flat-panel detector compared with the standard image alone in distinguishing calcified f
Externí odkaz:
https://doaj.org/article/dab0739aaaa94266a5dc4801b062212e
Autor:
Terumoto Koike, Shin-ichi Toyabe, Noriaki Sato, Tatsuya Goto, Masanori Tsuchida, Yuta Hosoda, Masayuki Tazawa, Seijiro Sato, Motohiko Yamazaki
Publikováno v:
Seminars in Thoracic and Cardiovascular Surgery. 34:1051-1060
18F-fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography (FDG-PET/CT) has been widely used for preoperative staging of lung adenocarcinomas. The aim of this study was to determine whether a high maximum standardized uptake value
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f53175dfebc15fb0d64dbe4b5fa24bb8
https://doi.org/10.1053/j.semtcvs.2021.07.019
https://doi.org/10.1053/j.semtcvs.2021.07.019
Publikováno v:
The British Journal of Radiology. 95
Objectives To determine the added value of combining intratumoral and peritumoral CT radiomics for the prediction of epidermal growth factor receptor (EGFR) gene mutations in primary lung cancer (PLC). Methods This study included 478 patients with PL
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::741cf000158904bc994c26dcc5aeed67
https://doi.org/10.1259/bjr.20220374
https://doi.org/10.1259/bjr.20220374
Autor:
Hiroyuki Ishikawa, Hajime Umezu, Hidefumi Aoyama, Kanako Oyanagi, Norihiko Yoshimura, Motohiko Yamazaki, Takuya Yagi
Publikováno v:
American Journal of Roentgenology. 214:341-347
OBJECTIVE. The purpose of this study is to differentiate between low- and high-risk types of thymoma using quantitative 3D shape analysis of CT images. MATERIALS AND METHODS. This retrospective study included 44 patients with a pathologic diagnosis o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af4188a45649da4b12ebdf3cbe7571d6
https://doi.org/10.2214/ajr.19.21844
https://doi.org/10.2214/ajr.19.21844
Autor:
Norihiko Yoshimura, Motohiko Yamazaki, Tatsuhiko Sato, Kazuki Kumagai, Hiroyuki Ishikawa, Yosuke Horii, Ken Sato
Publikováno v:
Circulation journal : official journal of the Japanese Circulation Society. 85(4)
Background Low tube voltage computed tomography venography (CTV) can be expected to increase imaging contrast and decrease radiation exposure by using iterative reconstruction (IR). This study evaluated the diagnostic ability of low tube voltage CTV
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18bfdf6a9c725dea2072031354bb9430
https://pubmed.ncbi.nlm.nih.gov/33441495
https://pubmed.ncbi.nlm.nih.gov/33441495
Autor:
Naoya Takahashi, Takao Kiguchi, Norihiko Yoshimura, Hidefumi Aoyama, Takeshi Higuchi, Motohiko Yamazaki, Toshikazu Shimokoshi
Publikováno v:
Japanese Journal of Radiology. 33:645-649
To evaluate the changes in splenic volume during hypovolemic shock and after recovery by use of multidetector computed tomography (MDCT).We investigated 22 cases who underwent MDCT during hypovolemic shock up to 3 h after presentation, compared the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b945bc6e2ceed8b4e1fa1b313015d1d6
https://doi.org/10.1007/s11604-015-0470-x
https://doi.org/10.1007/s11604-015-0470-x
Autor:
Yohei Ikeda, Takehisa Hashimoto, Hiroyuki Ishikawa, Ryosuke kunii, Suguru Sato, Norihiko Yoshimura, Masanori Tsuchida, Hidefumi Aoyama, Akiko Tasaki, Motohiko Yamazaki
Publikováno v:
European Journal of Radiology. 84:178-184
To assess the prognostic value of combined evaluation of preoperative CT findings and pre/postoperative serum carcinoembryonic antigen (CEA) levels for pathological stage I lung adenocarcinoma.This retrospective study included 250 consecutive patient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85b26c27e7e9f82edf531b604070905b
https://doi.org/10.1016/j.ejrad.2014.10.009
https://doi.org/10.1016/j.ejrad.2014.10.009
Autor:
Hiroyuki Ishikawa, Norihiko Yoshimura, Rei Ogawa, Masanori Tsuchida, Hidefumi Aoyama, Takuya Yagi, Motohiko Yamazaki, Yoichi Ajioka, Riuko Ohashi
Publikováno v:
Japanese journal of radiology. 36(2)
To distinguish between adenocarcinoma in situ (AIS)–minimally invasive adenocarcinoma (MIA) and invasive adenocarcinoma (IAC) showing pure or part-solid ground-glass nodules (GGNs) by high-resolution computed tomography (HRCT) texture analysis. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93147de01ff30b4525382a3d935448a7
https://pubmed.ncbi.nlm.nih.gov/29273964
https://pubmed.ncbi.nlm.nih.gov/29273964
Autor:
Norihiko Yoshimura, Motohiko Yamazaki, Akiko Tasaki, Yohei Ikeda, Ryosuke kunii, Suguru Sato, Hiroyuki Ishikawa, Hidefumi Aoyama
Publikováno v:
Clinical Radiology. 69:559-566
To assess the relationship between thin-section computed tomography (CT) features of primary tumour and high preoperative serum carcinoembryonic antigen (CEA) levels that reportedly suggest poor prognoses in early-stage lung adenocarcinoma.Two hundre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24b9e60666fd5b5be81d8560d9a1dad0
https://doi.org/10.1016/j.crad.2013.12.009
https://doi.org/10.1016/j.crad.2013.12.009