Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Kichiro, Koshida"'
Autor:
Hideaki Shiga, Junichi Taki, Kohshin Washiyama, Junpei Yamamoto, Sakae Kinase, Koichi Okuda, Seigo Kinuya, Naoto Watanabe, Hisao Tonami, Kichiro Koshida, Ryohei Amano, Mitsuru Furukawa, Takaki Miwa
Publikováno v:
PLoS ONE, Vol 8, Iss 2, p e57671 (2013)
PURPOSE: The aim of this study was to assess whether migration of thallium-201 ((201)Tl) to the olfactory bulb were reduced in patients with olfactory impairments in comparison to healthy volunteers after nasal administration of (201)Tl. PROCEDURES:
Externí odkaz:
https://doaj.org/article/9e09f30cebec4a9cac5b099889e8485e
Publikováno v:
Japanese Journal of Radiological Technology. 73:680-688
The purpose of this study was to investigate the effect of scattered radiation reduction to medical staff by attaching the leaded sheet on the collimator cover of the angiography equipment. Ambient dose equivalent was measured to compare the rate of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1b09821e02d08303ac8f061c4b8e2b3
https://doi.org/10.6009/jjrt.2017_jsrt_73.8.680
https://doi.org/10.6009/jjrt.2017_jsrt_73.8.680
Autor:
Yuta Matsunaga, Ryouichi Kato, Masanao Kobayashi, Hiroshi Toyama, Kosuke Matsubara, Tomonobu Haba, Ai Kawaguchi, Yasuki Asada, Kichiro Koshida, Shouichi Suzuki
Publikováno v:
Journal of Applied Clinical Medical Physics
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, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b020b33bd610fe955d7bcf88c6526949
https://doi.org/10.1120/jacmp.v17i4.6218
https://doi.org/10.1120/jacmp.v17i4.6218
Autor:
Yoshiya Shimada, Yasutaka Takei, Yoshihisa Muramatsu, Shoichi Suzuki, Kosuke Matsubara, Kichiro Koshida, Keiichi Akahane, Keisuke Fujii, Osamu Miyazaki
Publikováno v:
Pediatric Radiology. 46(2):280-285
Background: Diagnostic reference levels (DRLs) have not been established in Japan. Objective: To propose DRLs for CT of the head, chest and abdomen for three pediatric age groups. Materials and methods: We sent a nationwide questionnaire by post to 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dd04a746a2c81949951ae62022f7269
http://hdl.handle.net/2297/43961
http://hdl.handle.net/2297/43961
Autor:
Kenichi Nakajima, Akihiro Takemura, Kunihiko Yokoyama, Tetsu Nakaichi, Kichiro Koshida, Shoichi Yokoyama, Wataru Kawakami
Publikováno v:
International Journal of Radiology and Radiation Oncology. 1:014-018
Various techniques are used in image-guided radiotherapy (IGRT). Cone beam computed tomography (CBCT) is widely used in IGRT on linear accelerators. The increased accuracy of IGRT enables reducing planning target volume margins and doses to normal ti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::515d642c445038e761be5b2207a9f4d4
https://doi.org/10.17352/ijrro.000005
https://doi.org/10.17352/ijrro.000005
Operating characteristics of tube-current-modulation techniques when scanning simple-shaped phantoms
Publikováno v:
Journal of the Korean Physical Society. 67:82-88
Our objective was to investigate the operating characteristics of tube current modulation (TCM) in computed tomography (CT) when scanning two types of simple-shaped phantoms. A tissueequivalent elliptical phantom and a homogeneous cylindrical step ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::980c1e341c30397589b9d327f5c17f69
https://doi.org/10.3938/jkps.67.82
https://doi.org/10.3938/jkps.67.82
Autor:
Toshifumi Gabata, Keita Sakuda, Haruka Nunome, Kichiro Koshida, Tadanori Takata, Kosuke Matsubara
Publikováno v:
Acta Radiologica. 57:25-32
Background Dual-source computed tomography (CT) enables CT coronary angiography (CTCA) with a prospectively electrocardiography (ECG)-triggered high-pitch spiral (HPS) mode. Purpose To evaluate the radiation dose, image quality, and diagnostic accept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf6743d316ba463a573f599af2cd580a
https://doi.org/10.1177/0284185114562467
https://doi.org/10.1177/0284185114562467
Publikováno v:
Japanese Journal of Radiological Technology. 71:12-18
There are two types of radiophotoluminescent glass dosimeters (RPLDs). One has a tin filter in the capsule (GD-352M) and the other has no filter (GD-302M). The purpose of our study was to evaluate the properties of these RPLDs for computed tomography
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4092646fe99a7065aa08dc2edda7b93e
https://doi.org/10.6009/jjrt.2015_jsrt_71.1.12
https://doi.org/10.6009/jjrt.2015_jsrt_71.1.12
Publikováno v:
Health Physics. 107:S202-S210
Radiologists or nurses intermittently stay in computed tomography rooms during computed tomography examinations; these actions are defined as “entrance actions.” The qualitative and quantitative factors related to radiological exposure to compute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cd900bfe58ddaaff168d6c0c393fbf6
https://doi.org/10.1097/hp.0000000000000186
https://doi.org/10.1097/hp.0000000000000186
Autor:
Kazuhiro Katada, Shouichi Suzuki, Hiroshi Toyama, Masanao Kobayashi, Kosuke Matsubara, Yuta Matsunaga, Ai Kawaguchi, Kichiro Koshida, Yasuki Asada
Publikováno v:
Journal of Applied Clinical Medical Physics
We modified the Imaging Performance Assessment of CT scanners (ImPACT) to evaluate the organ doses and the effective dose based on the International Commission on Radiological Protection (ICRP) Publication 110 reference male/female phantom with the A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce2c1012685d9dd9486aa773eecd2ebe
https://doi.org/10.1120/jacmp.v15i5.4823
https://doi.org/10.1120/jacmp.v15i5.4823