Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Atsushi Urikura"'
Autor:
Keisuke Takiguchi, Atsushi Urikura, Tsukasa Yoshida, Yoshihiro Nakaya, Masahiro Endo, Takeshi Aramaki
Publikováno v:
Diagnostic and Interventional Radiology, Vol 26, Iss 4, Pp 333-338 (2020)
PURPOSEThe present study aimed to evaluate the scan technique of computed tomography (CT)-guided puncture procedures using partial exposure mode (PEM) on the radiation dose of the operator’s hand and image quality.METHODSRadiation dose was evaluate
Externí odkaz:
https://doaj.org/article/327f10791c984d01ac923e50e1171b9f
Autor:
Atsushi Urikura, Yosuke Miyauchi, Tsukasa Yoshida, Yuya Ishita, Keisuke Takiguchi, Takeshi Aramaki
Publikováno v:
Journal of Computer Assisted Tomography; Jan/Feb2024, Vol. 48 Issue 1, p110-115, 6p
Autor:
Atsushi Urikura, Tsukasa Yoshida, Kosuke Matsubara, Keiichi Nomura, Takashi Hoshino, Takashi Takagi
Publikováno v:
Radiological Physics and Technology.
Autor:
Sayaka Ide, Takeshi Aramaki, Atsushi Urikura, Tsukasa Yoshida, Yoshihiro Nakaya, Masahiro Endo
Publikováno v:
Journal of Computer Assisted Tomography. 46:29-33
OBJECTIVE The aim of the study was to compare computed tomography (CT) angiography (CTA) imaging of deep inferior epigastric artery perforator (DIEP) using the ultrahigh-resolution CT (UHRCT) and conventional multidetector CT (MDCT). METHODS This ret
Autor:
Atsushi Urikura
Publikováno v:
Japanese Journal of Radiological Technology. 77:1337-1344
Autor:
Masahiro Hanmura, Kazuaki Yasui, Tetsuya Tomida, Masahiro Konno, Tsukasa Yoshida, Atsushi Urikura
Publikováno v:
Radiological Physics and Technology. 13:201-209
In this study, we propose a novel wedged field using a half-field flattening filter-free beam without a metallic filter or a moving jaw, and investigate the characteristics of the proposed technique. Dose distributions of the proposed method were fir
Autor:
Satoshi Asegawa, Katsuhiro Ichikawa, Masanori Sugiyama, Tamaki Matsunami, Tetsuya Hirairi, Atsushi Urikura
Publikováno v:
Japanese Journal of Radiological Technology. 76:168-176
PURPOSE A virtual monochromatic image (VMI) is acquired from two different types of polychromatic energy X-rays, not a monochromatic X-ray. The effective energy of monochromatic X-ray does not vary in passing through the patient's body. On the other
Autor:
Masahiro Hanmura, Yoichiro Hosokawa, Masahiro Endo, Yuki Aoyama, Tsukasa Yoshida, Atsushi Urikura, Tetsuya Tomida
Publikováno v:
Journal of Radiotherapy in Practice. 22
Introduction This study aimed to investigate the uncertainty in organ delineation of low-dose computed tomography (CT) images using a high-strength iterative reconstruction (IR) during radiotherapy planning for the treatment of prostate cancer. Metho
Autor:
Atsushi Urikura, Tsukasa Yoshida, Masahiro Endo, Koiku Asakura, Rui Sato, Atsushi Saiga, Michihisa Moriguchi, Kazuaki Nakashima, Takeshi Aramaki
Publikováno v:
Acta Radiologica Open. 11:205846012211314
Acute pulmonary thromboembolism occurring during cancer treatment has been increasing with the number of cancer patients and chemotherapy cases. Computed tomographic pulmonary angiography (CTPA) for evaluating the pulmonary artery is generally perfor
Autor:
Takashi Hoshino, Takanori Hara, Kosuke Matsubara, Shinji Niwa, Eiji Nishimaru, Takuya Taniguchi, Atsushi Urikura
Publikováno v:
Journal of Applied Clinical Medical Physics
Background Because the x‐ray property of patient longitudinal axis in area detector computed tomography (ADCT) depends on a heel effect, radiation dose and beam quality are not uniform along the long axis of the patient. Objective This study aimed