Search Results - "IRIE, Ryusuke"

Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus (Third Edition): Endorsed by the Japanese Society of Normal Pressure Hydrocephalus by NAKAJIMA, Madoka, YAMADA, Shigeki, MIYAJIMA, Masakazu, ISHII, Kazunari, KURIYAMA, Nagato, KAZUI, Hiroaki, KANEMOTO, Hideki, SUEHIRO, Takashi, YOSHIYAMA, Kenji, KAMEDA, Masahiro, KAJIMOTO, Yoshinaga, MASE, Mitsuhito, MURAI, Hisayuki, KITA, Daisuke, KIMURA, Teruo, SAMEJIMA, Naoyuki, TOKUDA, Takahiko, KAIJIMA, Mitsunobu, AKIBA, Chihiro, KAWAMURA, Kaito, ATSUCHI, Masamichi, HIRATA, Yoshihumi, MATSUMAE, Mitsunori, SASAKI, Makoto, YAMASHITA, Fumio, AOKI, Shigeki, IRIE, Ryusuke, MIYAKE, Hiroji, KATO, Takeo, MORI, Etsuro, ISHIKAWA, Masatsune, DATE, Isao, ARAI, Hajime, The research committee of idiopathic normal pressure hydrocephalus

“…Among the various disorders that manifest with gait disturbance, cognitive impairment, and urinary incontinence in the elderly population, idiopathic normal…”
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Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods by Hagiwara, Akifumi, Hori, Masaaki, Kamagata, Koji, Warntjes, Marcel, Matsuyoshi, Daisuke, Nakazawa, Misaki, Ueda, Ryo, Andica, Christina, Koshino, Saori, Maekawa, Tomoko, Irie, Ryusuke, Takamura, Tomohiro, Kumamaru, Kanako Kunishima, Abe, Osamu, Aoki, Shigeki

“…Magnetization transfer (MT) imaging has been widely used for estimating myelin content in the brain. Recently, two other approaches, namely simultaneous tissue…”
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Neurite orientation dispersion and density imaging reveals white matter microstructural alterations in adults with autism by Andica, Christina, Kamagata, Koji, Kirino, Eiji, Uchida, Wataru, Irie, Ryusuke, Murata, Syo, Aoki, Shigeki

“…Abstract Background Evidences suggesting the association between behavioral anomalies in autism and white matter (WM) microstructural alterations are…”
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Rapid MR Angiography Using 3D Gradient-echo Imaging and the Two-point Dixon Method to Evaluate Carotid Plaque by Irie, Ryusuke, Amemiya, Shiori, Ueyama, Tsuyoshi, Suzuki, Yuichi, Takao, Hidemasa, Abe, Osamu

“…Liver acquisition with volume acceleration-flex (LAVA-Flex) acquires out-of-phase and in-phase echo images and automatically generates water-only and fat-only…”
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Age-Related Changes in Relaxation Times, Proton Density, Myelin, and Tissue Volumes in Adult Brain Analyzed by 2-Dimensional Quantitative Synthetic Magnetic Resonance Imaging by Hagiwara, Akifumi, Fujimoto, Kotaro, Kamagata, Koji, Murata, Syo, Irie, Ryusuke, Kaga, Hideyoshi, Someya, Yuki, Andica, Christina, Fujita, Shohei, Kato, Shimpei, Fukunaga, Issei, Wada, Akihiko, Hori, Masaaki, Tamura, Yoshifumi, Kawamori, Ryuzo, Watada, Hirotaka, Aoki, Shigeki

“…OBJECTIVESQuantitative synthetic magnetic resonance imaging (MRI) enables the determination of fundamental tissue properties, namely, T1 and T2 relaxation…”
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Deep Learning Approach for Generating MRA Images From 3D Quantitative Synthetic MRI Without Additional Scans by Fujita, Shohei, Hagiwara, Akifumi, Otsuka, Yujiro, Hori, Masaaki, Takei, Naoyuki, Hwang, Ken-Pin, Irie, Ryusuke, Andica, Christina, Kamagata, Koji, Akashi, Toshiaki, Kunishima Kumamaru, Kanako, Suzuki, Michimasa, Wada, Akihiko, Abe, Osamu, Aoki, Shigeki

“…OBJECTIVESQuantitative synthetic magnetic resonance imaging (MRI) enables synthesis of various contrast-weighted images as well as simultaneous quantification…”
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Accelerated acquisition of carotid MR angiography using 3D gradient-echo imaging with two-point Dixon by Irie, Ryusuke, Amemiya, Shiori, Ueyama, Tsuyoshi, Suzuki, Yuichi, Kamiya, Kouhei, Takao, Hidemasa, Mori, Harushi, Abe, Osamu

“…This pilot study tests the feasibility of rapid carotid MR angiography using the liver acquisition with volume acceleration-flex technique (LAVA MRA). Seven…”
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Convolutional neural network-based segmentation can help in assessing the substantia nigra in neuromelanin MRI by Le Berre, Alice, Kamagata, Koji, Otsuka, Yujiro, Andica, Christina, Hatano, Taku, Saccenti, Laetitia, Ogawa, Takashi, Takeshige-Amano, Haruka, Wada, Akihiko, Suzuki, Michimasa, Hagiwara, Akifumi, Irie, Ryusuke, Hori, Masaaki, Oyama, Genko, Shimo, Yashushi, Umemura, Atsushi, Hattori, Nobutaka, Aoki, Shigeki

“…Purpose This study aimed to evaluate the accuracy and diagnostic test performance of the U-net-based segmentation method in neuromelanin magnetic resonance…”
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Automation of a Rule-based Workflow to Estimate Age from Brain MR Imaging of Infants and Children Up to 2 Years Old Using Stacked Deep Learning by Wada, Akihiko, Saito, Yuya, Fujita, Shohei, Irie, Ryusuke, Akashi, Toshiaki, Sano, Katsuhiro, Kato, Shinpei, Ikenouchi, Yutaka, Hagiwara, Akifumi, Sato, Kanako, Tomizawa, Nobuo, Hayakawa, Yayoi, Kikuta, Junko, Kamagata, Koji, Suzuki, Michimasa, Hori, Masaaki, Nakanishi, Atsushi, Aoki, Shigeki

“…Purpose: Myelination-related MR signal changes in white matter are helpful for assessing normal development in infants and children. A rule-based myelination…”
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A Novel Deep Learning Approach with a 3D Convolutional Ladder Network for Differential Diagnosis of Idiopathic Normal Pressure Hydrocephalus and Alzheimer’s Disease by Irie, Ryusuke, Otsuka, Yujiro, Hagiwara, Akifumi, Kamagata, Koji, Kamiya, Kouhei, Suzuki, Michimasa, Wada, Akihiko, Maekawa, Tomoko, Fujita, Shohei, Kato, Shimpei, Nakajima, Madoka, Miyajima, Masakazu, Motoi, Yumiko, Abe, Osamu, Aoki, Shigeki

“…Purpose: Idiopathic normal pressure hydrocephalus (iNPH) and Alzheimer’s disease (AD) are geriatric diseases and common causes of dementia. Recently, many…”
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Differentiating Alzheimer’s Disease from Dementia with Lewy Bodies Using a Deep Learning Technique Based on Structural Brain Connectivity by Wada, Akihiko, Tsuruta, Kohei, Irie, Ryusuke, Kamagata, Koji, Maekawa, Tomoko, Fujita, Shohei, Koshino, Saori, Kumamaru, Kanako, Suzuki, Michimasa, Nakanishi, Atsushi, Hori, Masaaki, Aoki, Shigeki

“…Purpose: Alzheimer’s disease (AD) and dementia with Lewy bodies (DLB) are representative disorders of dementia of the elderly and the neuroimaging has…”
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Reduced neurite density index in the prefrontal cortex of adults with autism assessed using neurite orientation dispersion and density imaging by Arai, Takashi, Kamagata, Koji, Uchida, Wataru, Andica, Christina, Takabayashi, Kaito, Saito, Yuya, Tuerxun, Rukeye, Mahemuti, Zaimire, Morita, Yuichi, Irie, Ryusuke, Kirino, Eiji, Aoki, Shigeki

“…Background Core symptoms of autism-spectrum disorder (ASD) have been associated with prefrontal cortex abnormalities. However, the mechanisms behind the…”
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Diffusional kurtosis imaging and white matter microstructure modeling in a clinical study of major depressive disorder by Kamiya, Kouhei, Okada, Naohiro, Sawada, Kingo, Watanabe, Yusuke, Irie, Ryusuke, Hanaoka, Shouhei, Suzuki, Yuichi, Koike, Shinsuke, Mori, Harushi, Kunimatsu, Akira, Hori, Masaaki, Aoki, Shigeki, Kasai, Kiyoto, Abe, Osamu

“…Major depressive disorder (MDD) is a globally prevalent psychiatric disorder that results from disruption of multiple neural circuits involved in emotional…”
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Half-value Layer Measurement Method for Routine Management of Digital-breast-tomosynthesis-equipped Breast Radiography Systems by Nakamura, Tokiko, Suzuki, Shoichi, Kato, Kyoichi, Niroshani, Sachila, Negishi, Toru, Irie, Ryusuke

“…With the increasing use of digital breast tomosynthesis imaging, the accuracy and quality control of mammography systems is gaining importance because of the…”
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Comparison of Brain Volume Measurements Made with 0.3- and 3-T MR Imaging by Murata, Syo, Hagiwara, Akifumi, Kaga, Hideyoshi, Someya, Yuki, Nemoto, Kiyotaka, Goto, Masami, Kamagata, Koji, Irie, Ryusuke, Hori, Masaaki, Andica, Christina, Wada, Akihiko, Kumamaru, Kanako Kunishima, Shimoji, Keigo, Otsuka, Yujiro, Hoshito, Haruyoshi, Tamura, Yoshifumi, Kawamori, Ryuzo, Watada, Hirotaka, Aoki, Shigeki

“…The volumes of intracranial tissues of 40 healthy volunteers acquired from 0.3- and 3-T scanners were compared using intraclass correlation coefficients,…”
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Evaluation of white matter microstructure in patients with Parkinson’s disease using microscopic fractional anisotropy by Ikenouchi, Yutaka, Kamagata, Koji, Andica, Christina, Hatano, Taku, Ogawa, Takashi, Takeshige-Amano, Haruka, Kamiya, Kouhei, Wada, Akihiko, Suzuki, Michimasa, Fujita, Shohei, Hagiwara, Akifumi, Irie, Ryusuke, Hori, Masaaki, Oyama, Genko, Shimo, Yashushi, Umemura, Atsushi, Hattori, Nobutaka, Aoki, Shigeki

“…Purpose Micro fractional anisotropy (μFA) is more accurate than conventional fractional anisotropy (FA) for assessing microscopic tissue properties and can…”
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Neurite orientation dispersion and density imaging for evaluation of corticospinal tract in idiopathic normal pressure hydrocephalus by Irie, Ryusuke, Tsuruta, Kohei, Hori, Masaaki, Suzuki, Michimasa, Kamagata, Koji, Nakanishi, Atsushi, Kamiya, Kouhei, Nakajima, Madoka, Miyajima, Masakazu, Arai, Hajime, Aoki, Shigeki

“…Purpose To evaluate diffusional changes of the corticospinal tract (CST) in patients with idiopathic normal pressure hydrocephalus (iNPH) by neurite…”
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Estimation of Gadolinium-based Contrast Agent Concentration Using Quantitative Synthetic MRI and Its Application to Brain Metastases: A Feasibility Study by Fujita, Shohei, Nakazawa, Misaki, Hagiwara, Akifumi, Ueda, Ryo, Horita, Moeko, Maekawa, Tomoko, Irie, Ryusuke, Andica, Christina, Kumamaru, Kanako Kunishima, Hori, Masaaki, Aoki, Shigeki

“…Purpose: Gadolinium-based contrast agents (GBCA) provide valuable information for assessing and differentiating lesions in the body. However, contrast…”
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Advanced diffusion-weighted magnetic resonance imaging in the evaluation of white matter axons in patients with idiopathic normal pressure hydrocephalus by Hori, Masaaki, Kamiya, Kouhei, Irie, Ryusuke

“…With the increasing application of regenerative medicine in vivo,non-invasive and accurate methods for estimating the white matter axons in neuronal tissue…”
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Free-Water Imaging in White and Gray Matter in Parkinson's Disease by Andica, Christina, Kamagata, Koji, Hatano, Taku, Saito, Asami, Uchida, Wataru, Ogawa, Takashi, Takeshige-Amano, Haruka, Zalesky, Andrew, Wada, Akihiko, Suzuki, Michimasa, Hagiwara, Akifumi, Irie, Ryusuke, Hori, Masaaki, Kumamaru, Kanako K, Oyama, Genko, Shimo, Yashushi, Umemura, Atsushi, Pantelis, Christos, Hattori, Nobutaka, Aoki, Shigeki

“…This study aimed to discriminate between neuroinflammation and neuronal degeneration in the white matter (WM) and gray matter (GM) of patients with Parkinson's…”
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