Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Hiroto Yoneyama"'
Autor:
Yuka Taniguchi, Hiroshi Wakabayashi, Hiroto Yoneyama, Zhuoqing Chen, Kei Morino, Akiko Otosaki, Masako Yamada, Anri Inaki, Daiki Kayano, Seigo Kinuya
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-7 (2022)
Abstract The use of effective shielding materials against radiation is important among medical staff in nuclear medicine. Hence, the current study investigated the shielding effects of a commercially available tungsten apron using gamma ray measuring
Externí odkaz:
https://doaj.org/article/b1a7bdae71284ddaa8627b5d2350d996
Autor:
Takayuki Shibutani, Masahisa Onoguchi, Yuka Naoi, Hiroto Yoneyama, Takahiro Konishi, Ringo Tatami, Kenichi Nakajima
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract The aim of this study was to demonstrate the usefulness of SwiftScan with a low-energy high-resolution and sensitivity (LEHRS) collimator for bone scintigraphy using a novel bone phantom simulating the human body. SwiftScan planar image of l
Externí odkaz:
https://doaj.org/article/b1e196e9467d4d4bb719cad2d37d773d
Autor:
Hiroshi Wakabayashi, Takahiro Konishi, Hiroto Yoneyama, Anri Inaki, Tomo Hiromasa, Takafumi Yamase, Norihito Akatani, Satoru Watanabe, Hiroshi Mori, Daiki Kayano, Seigo Kinuya
Publikováno v:
Asia Oceania Journal of Nuclear Medicine and Biology, Vol 7, Iss 2, Pp 115-120 (2019)
Objective(s): Single-photon emission computed tomography (SPECT) using metaiodobenzylguanidine (MIBG) is an important diagnostic tool for the treatment of refractory pheochromocytoma and paraganglioma (PPGL). Owing to the difficulty of SPECT quantifi
Externí odkaz:
https://doaj.org/article/3c09b522caea46bdb6bf3e48c967f815
Autor:
Hiroto Yoneyama, Kenichi Nakajima, Junichi Taki, Hiroshi Wakabayashi, Shinro Matsuo, Takahiro Konishi, Koichi Okuda, Takayuki Shibutani, Masahisa Onoguchi, Seigo Kinuya
Publikováno v:
European Journal of Hybrid Imaging, Vol 3, Iss 1, Pp 1-14 (2019)
Abstract Background Detecting culprit coronary arteries in patients with ischemia using only myocardial perfusion single-photon emission computed tomography (SPECT) can be challenging. This study aimed to improve the detection of culprit regions usin
Externí odkaz:
https://doaj.org/article/a348d15d7eff4f21b0465a510e279b97
Autor:
Noriaki MIYAJI, Takamasa MAEDA, Naoyuki UKON, Hiroto YONEYAMA, Kosuke YAMASHITA, Kohei HANAOKA, Takashi IIMORI
Publikováno v:
Japanese Journal of Health Physics. 57:172-180
Autor:
Noriaki Miyaji, Kosuke Yamashita, Hiroto Yoneyama, Kohei Hanaoka, Naoyuki Ukon, Takamasa Maeda, Takashi Iimori
Publikováno v:
Japanese Journal of Radiological Technology. 79:262-270
Autor:
Satoru Watanabe, Kenichi Nakajima, Hiroshi Wakabayashi, Hiroto Yoneyama, Shohei Yoshida, Junji Komatsu, Takahiro Konishi, Anri Inaki, Seigo Kinuya
Publikováno v:
Journal of Nuclear Cardiology. 29:3102-3110
Background Volumetric evaluation of 99mTechnetium-pyrophosphate (99mTc-PYP) SPECT/CT is a useful method for assessing transthyretin cardiac amyloidosis (ATTR-CA). We investigated the methodology and assessed its relationship with conventional paramet
Autor:
Hiroshi Wakabayashi, Junichi Taki, Takahiro Konishi, Takayuki Shibutani, Hiroto Yoneyama, Koichi Okuda, Masahisa Onoguchi, Kenichi Nakajima
Publikováno v:
Ann Nucl Cardiol
Objective: Although semiconductor single-photon emission computed tomography (D-SPECT) has been used for myocardial perfusion imaging, few studies have compared its ability to detect myocardial ischemia with that of 3-detector SPECT (GCA9300R). This
Autor:
Takahiro Konishi, Seigo Kinuya, Koichi Okuda, Kenichi Nakajima, Takayuki Shibutani, Hiroto Yoneyama, Riku Moribe, Masahisa Onoguchi
Publikováno v:
Annals of Nuclear Medicine. 35:291-298
This study aimed to evaluate the effect of the metal artifact reduction (MAR) method on quantitative single-photon emission computed tomography (SPECT)/computed tomography (CT) to reveal the usefulness of MAR in patients with metal implants. We perfo
Autor:
Takamasa Maeda, Hiroyuki Tsushima, Kohei Hanaoka, Takashi Iimori, Kenta Sakaguchi, Hiroto Yoneyama, Matsuyoshi Ogawa, Noriaki Miyaji
Publikováno v:
Japanese Journal of Radiological Technology. 76:1237-1247
Targeted radioisotope therapy (TRT) is a radiotherapy using radioisotope or drug incorporating it and has been used as a treatment for selectively irradiating cancer cells. In recent years, interest in TRT has increased due to improvements in radionu