Zobrazeno 1 - 10
of 188
pro vyhledávání: '"Ken-Ichiro Kikuta"'
Autor:
Takahiro Yamauchi, Ryuhei Kitai, Toshiaki Kodera, Hidetaka Arishima, Ken Matsuda, Makoto Isozaki, Shota Ishida, Yuki Matta, Masayuki Kanamoto, Hirohiko Kimura, Ken-ichiro Kikuta
Publikováno v:
Interdisciplinary Neurosurgery, Vol 28, Iss , Pp 101461- (2022)
In glioblastoma, differentiation between cerebral edema and tumor infiltration is an important clinical question. Amide proton transfer (APT) and cerebral blood flow (CBF) are useful for evaluating the tumor invasion. In this case series, arterial sp
Externí odkaz:
https://doaj.org/article/4c495e55897b4c30b28ec7e2b1472386
Autor:
Ryuhei Kitai, Makoto Isozaki, Satoshi Kawajiri, Masanume Kidoguchi, Shinsuke Yamada, Ayumi Akazawa, Hiroshi Arai, Naoki Shirasaki, Ken-ichiro Kikuta
Publikováno v:
Interdisciplinary Neurosurgery, Vol 28, Iss , Pp 101502- (2022)
Background: Endoscopic saphenous vein (SV) graft harvesting was introduced in the neurosurgical field as an attractive alternative to open SV graft harvesting. Methods: The left leg was draped, and the subcutaneous vein was identified by ultrasonogra
Externí odkaz:
https://doaj.org/article/46f8d1f187cb42138e9b0d5bf440aa5e
Autor:
Kenji Takata, Hirohiko Kimura, Shota Ishida, Makoto Isozaki, Yoshifumi Higashino, Ken-Ichiro Kikuta, Hidehiko Okazawa, Tetsuya Tsujikawa
Publikováno v:
Diagnostics, Vol 13, Iss 4, p 756 (2023)
We investigated the relationship between MRI-arterial spin labeling (ASL) parameters and PET-cerebral blood flow (CBF)/cerebrovascular reactivity (CVR) simultaneously obtained by PET/MRI in Moyamoya disease. Twelve patients underwent 15O-water PET/MR
Externí odkaz:
https://doaj.org/article/53eeb68c68904f3aa356ee49eccc4745
Autor:
Ryuhei Kitai, Toshiaki Kodera, Hiroshi Arai, Makoto Isozaki, Takahiro Yamauchi, Ken-ichiro Kikuta, Kunihiro Nakai, Masato Sasaki, Yoshitaka Sato
Publikováno v:
Interdisciplinary Neurosurgery, Vol 25, Iss , Pp 101218- (2021)
Background: Adult type fibrosarcoma is a rare and highly aggressive type of soft tissue tumor. Surgical resection with wide margins is the most effective, but difficult for the skull lesion as to the critical organ nearby. Case description: A 27-year
Externí odkaz:
https://doaj.org/article/3759d4f48d8544c1ab9034f06ef561b6
Autor:
Takahiro Yamauchi, Ryuhei Kitai, Hiroshi Arai, Masamune Kidoguchi, Makoto Isozaki, Toshiaki Kodera, Ken-ichiro Kikuta
Publikováno v:
Interdisciplinary Neurosurgery, Vol 25, Iss , Pp 101249- (2021)
Medulloblastoma in adults is very rare, and there is no effective therapy for its initial appearance or recurrence. We present a case of a 40-year-old male with recurrent medulloblastoma despite initial radiochemotherapy. He received re-irradiation a
Externí odkaz:
https://doaj.org/article/4cd93bdb90b940e98d8f1db3094b2813
Autor:
Hidehiko Okazawa, Tetsuya Tsujikawa, Yoshifumi Higashino, Ken-Ichiro Kikuta, Tetsuya Mori, Akira Makino, Yasushi Kiyono
Publikováno v:
EJNMMI Research, Vol 9, Iss 1, Pp 1-9 (2019)
Abstract Background Accurate attenuation correction (AC) is one of the most important issues to be addressed in quantitative brain PET/MRI imaging. Atlas-based MRI AC (AB-MRAC), one of the representative MRAC methods, has been used to estimate the sk
Externí odkaz:
https://doaj.org/article/542fba0a79ce42cea5bd9c255fd53b10
Autor:
Yoshinori Endo, Kazuhiro Hasegawa, Ryo Nomura, Hidetaka Arishima, Ken-ichiro Kikuta, Taro Yamashita, Yasuteru Inoue, Mitsuharu Ueda, Yukio Ando, Mark R. Wilson, Tadanori Hamano, Yasunari Nakamoto, Hironobu Naiki
Publikováno v:
Acta Neuropathologica Communications, Vol 7, Iss 1, Pp 1-11 (2019)
Abstract Sporadic cerebral amyloid angiopathy (CAA) is characterized by cerebrovascular amyloid-β (Aβ) deposition, which leads to lobar hemorrhage and dementia. Biological molecules affecting the development of CAA have not been fully characterized
Externí odkaz:
https://doaj.org/article/698570859eab42e28b934a7f39b57efe
Autor:
Chiaki Igarashi, Hidehiko Okazawa, Muhammad M. Islam, Tetsuya Tsujikawa, Toshifumi Higashino, Makoto Isozaki, Ken-ichiro Kikuta
Publikováno v:
Diagnostics, Vol 11, Iss 10, p 1820 (2021)
To clarify the differences in hemodynamic status between atherosclerotic steno-occlusive lesions (SOL) and moyamoaya disease (MMD), hemodynamic parameters were compared using 15O-PET. Twenty-four patients with unilateral SOL (67 ± 11 y) and eighteen
Externí odkaz:
https://doaj.org/article/fb1c9395d7cd4746920e0ce61b0aa806
Autor:
Tetsuya Tsujikawa, Hirohiko Kimura, Tsuyoshi Matsuda, Yasuhiro Fujiwara, Makoto Isozaki, Ken-Ichiro Kikuta, Hidehiko Okazawa
Publikováno v:
PLoS ONE, Vol 11, Iss 6, p e0156005 (2016)
Arterial transit time (ATT) is most crucial for measuring absolute cerebral blood flow (CBF) by arterial spin labeling (ASL), a noninvasive magnetic resonance (MR) perfusion assessment technique, in patients with chronic occlusive cerebrovascular dis
Externí odkaz:
https://doaj.org/article/8909b6f097b44444be700c770e0fec4f
Autor:
Wanyang Liu, Daisuke Morito, Seiji Takashima, Yohei Mineharu, Hatasu Kobayashi, Toshiaki Hitomi, Hirokuni Hashikata, Norio Matsuura, Satoru Yamazaki, Atsushi Toyoda, Ken-ichiro Kikuta, Yasushi Takagi, Kouji H Harada, Asao Fujiyama, Roman Herzig, Boris Krischek, Liping Zou, Jeong Eun Kim, Masafumi Kitakaze, Susumu Miyamoto, Kazuhiro Nagata, Nobuo Hashimoto, Akio Koizumi
Publikováno v:
PLoS ONE, Vol 6, Iss 7, p e22542 (2011)
Moyamoya disease is an idiopathic vascular disorder of intracranial arteries. Its susceptibility locus has been mapped to 17q25.3 in Japanese families, but the susceptibility gene is unknown.Genome-wide linkage analysis in eight three-generation fami
Externí odkaz:
https://doaj.org/article/0522d12a7ce546b3bcc029db3dc90129