Search Results - "Okuchi, Sachi"

World Health Organization Grade II/III Glioma Molecular Status: Prediction by MRI Morphologic Features and Apparent Diffusion Coefficient by Maynard, John, Okuchi, Sachi, Wastling, Stephen, Busaidi, Ayisha Al, Almossawi, Ofran, Mbatha, Wonderboy, Brandner, Sebastian, Jaunmuktane, Zane, Koc, Ali Murat, Mancini, Laura, Jäger, Rolf, Thust, Stefanie

“…Background A readily implemented MRI biomarker for glioma genotyping is currently lacking. Purpose To evaluate clinically available MRI parameters for…”
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High intratumoral susceptibility signal grade on susceptibility-weighted imaging: a risk factor for hemorrhage after stereotactic biopsy by Tanji, Masahiro, Mineharu, Yohei, Sakata, Akihiko, Okuchi, Sachi, Fushimi, Yasutaka, Oishi, Masahiro, Terada, Yukinori, Sano, Noritaka, Yamao, Yukihiro, Arakawa, Yoshiki, Yoshida, Kazumichi, Miyamoto, Susumu

“…This study aimed to examine the association of preoperative intratumoral susceptibility signal (ITSS) grade with hemorrhage after stereotactic biopsy (STB)…”
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Evaluation of deep gray matter for early brain development using quantitative susceptibility mapping by Otani, Sayo, Fushimi, Yasutaka, Iwanaga, Kogoro, Tomotaki, Seiichi, Shimotsuma, Taiki, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Hinoda, Takuya, Wicaksono, Krishna Pandu, Takita, Junko, Kawai, Masahiko, Nakamoto, Yuji

“…Objectives To evaluate susceptibility values associated with iron accumulation in the deep gray matter during postnatal development and to compare magnetic…”
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Super-resolution application of generative adversarial network on brain time-of-flight MR angiography: image quality and diagnostic utility evaluation by Wicaksono, Krishna Pandu, Fujimoto, Koji, Fushimi, Yasutaka, Sakata, Akihiko, Okuchi, Sachi, Hinoda, Takuya, Nakajima, Satoshi, Yamao, Yukihiro, Yoshida, Kazumichi, Miyake, Kanae Kawai, Numamoto, Hitomi, Saga, Tsuneo, Nakamoto, Yuji

“…Objectives To develop a generative adversarial network (GAN) model to improve image resolution of brain time-of-flight MR angiography (TOF-MRA) and to evaluate…”
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Brain imaging of sequential acquisition using a flexible PET scanner and 3-T MRI: quantitative and qualitative assessment by Nakajima, Satoshi, Fushimi, Yasutaka, Hinoda, Takuya, Sakata, Akihiko, Okuchi, Sachi, Arakawa, Yoshiki, Ishimori, Takayoshi, Nakamoto, Yuji

“…Objective A mobile PET scanner termed flexible PET (fxPET) has been designed to fit existing MRI systems. The purpose of this study was to assess brain imaging…”
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Incidence of neurocutaneous melanosis in Japanese pediatric patients with congenital melanocytic nevi by Takiya, Miyuki, Fushimi, Yasutaka, Sakamoto, Michiharu, Yoshida, Takeshi, Ueno, Kentaro, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Otani, Sayo, Tagawa, Hiroshi, Morimoto, Naoki, Nakamoto, Yuji

“…Neurocutaneous melanosis (NCM) is a rare, non-hereditary neurocutaneous disorder characterized by excessive melanocytic proliferation in the skin and central…”
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Telomerase reverse transcriptase promoter mutation and histologic grade in IDH wild-type histological lower-grade gliomas: The value of perfusion-weighted image, diffusion-weighted image, and 18F-FDG-PET by Ikeda, Satoshi, Sakata, Akihiko, Fushimi, Yasutaka, Okuchi, Sachi, Arakawa, Yoshiki, Makino, Yasuhide, Mineharu, Yohei, Nakajima, Satoshi, Hinoda, Takuya, Yoshida, Kazumichi, Miyamoto, Susumu, Nakamoto, Yuji

“…•TERTp mutations are important molecular markers that predict the aggressiveness of IDH wild-type lower-grade astrocytoma (IDHwt LGA).•DSC-PWI, DWI and…”
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Magnetic resonance angiography with compressed sensing: An evaluation of moyamoya disease by Yamamoto, Takayuki, Okada, Tomohisa, Fushimi, Yasutaka, Yamamoto, Akira, Fujimoto, Koji, Okuchi, Sachi, Fukutomi, Hikaru, Takahashi, Jun C, Funaki, Takeshi, Miyamoto, Susumu, Stalder, Aurélien F, Natsuaki, Yutaka, Speier, Peter, Togashi, Kaori

“…Compressed sensing (CS) reconstructions of under-sampled measurements generate missing data based on assumptions of image sparsity. Non-contrast time-of-flight…”
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Visualization of carotid vessel wall and atherosclerotic plaque: T1-SPACE vs. compressed sensing T1-SPACE by Okuchi, Sachi, Fushimi, Yasutaka, Okada, Tomohisa, Yamamoto, Akira, Okada, Tsutomu, Kikuchi, Takayuki, Yoshida, Kazumichi, Miyamoto, Susumu, Togashi, Kaori

“…Objectives To compare visualization of carotid plaques and vessel walls between 3D T1-fast spin echo imaging with conventional SPACE (T1-SPACE) and with a…”
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Vessel wall MR imaging in neuroradiology by Fushimi, Yasutaka, Yoshida, Kazumichi, Okawa, Masakazu, Maki, Takakuni, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Hinoda, Takuya, Kanagaki, Mitsunori, Nakamoto, Yuji

“…Vessel wall MR imaging (VW-MRI) has been introduced into clinical practice and applied to a variety of diseases, and its usefulness has been reported…”
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Comparison of TGSE-BLADE DWI, RESOLVE DWI, and SS-EPI DWI in healthy volunteers and patients after cerebral aneurysm clipping by Okuchi, Sachi, Fushimi, Yasutaka, Yoshida, Kazumichi, Nakajima, Satoshi, Sakata, Akihiko, Hinoda, Takuya, Otani, Sayo, Sagawa, Hajime, Zhou, Kun, Yamao, Yukihiro, Okawa, Masakazu, Nakamoto, Yuji

“…Diffusion-weighted magnetic resonance imaging is prone to have susceptibility artifacts in an inhomogeneous magnetic field. We compared distortion and…”
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Evaluating Reproducibility of the ADC and Distortion in Diffusion-weighted Imaging (DWI) with Reverse Encoding Distortion Correction (RDC) by Numamoto, Hitomi, Fujimoto, Koji, Miyake, Kanae Kawai, Fushimi, Yasutaka, Okuchi, Sachi, Imai, Rimika, Kondo, Hiroki, Saga, Tsuneo, Nakamoto, Yuji

“…Purpose: To compare image distortion and reproducibility of quantitative values between reverse encoding distortion correction (RDC) diffusion-weighted imaging…”
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Hemosiderin Detection inside the Mammillary Bodies Using Quantitative Susceptibility Mapping on Patients with Wernicke-Korsakoff Syndrome by Nakamura, Yuri, Fushimi, Yasutaka, Hinoda, Takuya, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Otani, Sayo, Tagawa, Hiroshi, Wang, Yang, Ikeda, Satoshi, Kawashima, Hirotsugu, Uemura, Maiko T, Nakamoto, Yuji

“…Hemorrhage inside the mammillary bodies (MMBs) is known to be one of the findings of Wernicke encephalopathy. Brain MRI of two patients with Wernicke-Korsakoff…”
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Diagnostic accuracy of dynamic contrast‐enhanced perfusion MRI in stratifying gliomas: A systematic review and meta‐analysis by Okuchi, Sachi, Rojas‐Garcia, Antonio, Ulyte, Agne, Lopez, Ingeborg, Ušinskienė, Jurgita, Lewis, Martin, Hassanein, Sara M, Sanverdi, Eser, Golay, Xavier, Thust, Stefanie, Panovska‐Griffiths, Jasmina, Bisdas, Sotirios

“…Background T1‐weighted dynamic contrast‐enhanced (DCE) perfusion magnetic resonance imaging (MRI) has been broadly utilized in the evaluation of brain tumors…”
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Thin-slice reverse encoding distortion correction DWI facilitates visualization of non-functioning pituitary neuroendocrine tumor (PitNET)/pituitary adenoma and surrounding normal structures by Ito, Shuichi, Okuchi, Sachi, Fushimi, Yasutaka, Otani, Sayo, Wicaksono, Krishna Pandu, Sakata, Akihiko, Miyake, Kanae Kawai, Numamoto, Hitomi, Nakajima, Satoshi, Tagawa, Hiroshi, Tanji, Masahiro, Sano, Noritaka, Kondo, Hiroki, Imai, Rimika, Saga, Tsuneo, Fujimoto, Koji, Arakawa, Yoshiki, Nakamoto, Yuji

“…Background To evaluate the clinical usefulness of thin-slice echo-planar imaging (EPI)-based diffusion-weighted imaging (DWI) with an on-console distortion…”
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Jugular venous reflux on magnetic resonance angiography and radionuclide venography by Fushimi, Yasutaka, Okada, Tomohisa, Okuchi, Sachi, Yamamoto, Akira, Kanagaki, Mitsunori, Fujimoto, Koji, Togashi, Kaori

“…Background The relationship between the signal from retrograde venous flow on magnetic resonance angiography (MRA) and retrograde upward flow from the left…”
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Visualization of Lenticulostriate Arteries at 3T by Okuchi, Sachi, MD, Okada, Tomohisa, MD, PhD, Fujimoto, Koji, MD, PhD, Fushimi, Yasutaka, MD, PhD, Kido, Aki, MD, PhD, Yamamoto, Akira, MD, PhD, Kanagaki, Mitsunori, MD, PhD, Dodo, Toshiki, MD, Mehemed, Taha M., MD, Miyazaki, Mitsue, PhD, Zhou, Xiangzhi, PhD, Togashi, Kaori, MD, PhD

“…Rationale and Objectives To optimize visualization of lenticulostriate artery (LSA) by time-of-flight (TOF) magnetic resonance angiography (MRA) with…”
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Vessel wall MRI in moyamoya disease: arterial wall enhancement varies depending on age, arteries, and disease progression by Tagawa, Hiroshi, Fushimi, Yasutaka, Funaki, Takeshi, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Hinoda, Takuya, Grinstead, John, Ahn, Sinyeob, Hidaka, Yu, Yoshida, Kazumichi, Miyamoto, Susumu, Nakamoto, Yuji

“…Objective To investigate the relationship of followings for patients with moyamoya disease (MMD): arterial wall enhancement on vessel wall MRI (VW-MRI),…”
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Value of Quantitative Susceptibility Mapping in Clinical Neuroradiology by Fushimi, Yasutaka, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Otani, Sayo, Nakamoto, Yuji

“…Quantitative susceptibility mapping (QSM) is a unique technique for providing quantitative information on tissue magnetic susceptibility using phase image…”
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Accuracy, repeatability, and reproducibility of T 1 and T 2 relaxation times measurement by 3D magnetic resonance fingerprinting with different dictionary resolutions by Wicaksono, Krishna Pandu, Fushimi, Yasutaka, Nakajima, Satoshi, Sakata, Akihiko, Okuchi, Sachi, Hinoda, Takuya, Oshima, Sonoko, Otani, Sayo, Tagawa, Hiroshi, Urushibata, Yuta, Nakamoto, Yuji

“…To assess the accuracy, repeatability, and reproducibility of T and T relaxation time measurements by three-dimensional magnetic resonance fingerprinting (3D…”
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