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Visualization and quantification of microstructures of the brain: new concept using next-generation advanced diffusion MR imaging

Research Project

Project/Area Number 18H02772
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 52040:Radiological sciences-related
Research InstitutionJuntendo University

Principal Investigator

青木 茂樹  順天堂大学, 大学院医学研究科, 教授 (80222470)

Co-Investigator(Kenkyū-buntansha) 下地 啓五  地方独立行政法人東京都健康長寿医療センター(東京都健康長寿医療センター研究所), 東京都健康長寿医療センター研究所, 研究員 (20348931)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2020: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2019: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2018: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Keywords拡散MRI / 拡散時間 / 脳 / 制限拡散 / microstructure / 拡散テンソル / 粘稠度 / epidermoid cyst / 定量MRI / 神経疾患 / MRI / 拡散 / 次世代拡散MRI / 微細構造
Outline of Annual Research Achievements

次世代拡散MRIによる脳微細構造の観察と定量として、短い拡散時間のOscillating gradient spin-echo(OGSE)を用い、微細構造変化が観察可能と思われる種々の病変に対して、検討を行った。従来の長い拡散時間の拡散強調像で高信号を呈する疾患で、短い拡散時間の拡散強調像で信号強度や見かけの拡散係数がどのように変化するかを検討した。従来の拡散強調像(長い拡散時間)による計測では、液体の粘稠度のみで拡散係数が短いものと、種々の構造により制限拡散が生じ拡散係数が短くなるものがともに高信号となるが、OGSEによる短い拡散時間では制限拡散によるものの一部(ちょうど拡散時間と微細構造がマッチした時)では、信号低下が起きることが予想され、微細構造が推定できる可能性を検討した。この研究は、実際にMRIの性能向上により、拡散強調像高信号が目立たなくなる疾患があることから発想した。類上皮腫(MRMS2018),急性期脳梗塞(Neurorad2018)、脈絡叢嚢胞(MRI2019), 脳腫瘍(MRI 2020), 脳梁膨大部病変(MRMS 2021),脳膿瘍(MRMS2022)およびファントム(JJR2018)で拡散時間の影響を調べた。これらは臨床における短い拡散時間を用いた微細構造研究として世界に先駆けるものであった。
拡散制限の原因として、類上皮腫の層状構造によるものが信号に影響を与えることが示される一方、急性期脳梗塞や腫瘍などでは現在のOGSE信号の低下は一部であった。制限拡散を起こす微細構造が現在のOGSEで観察できる5-10μmよりも小さいと考えられた。また、通常の撮像法でも拡散時間が短くなってきており、場合によってはコントラストが低下するため、拡散時間を考慮したプロトコールが望まれることも示された。

Research Progress Status

令和2年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和2年度が最終年度であるため、記入しない。

Report

(3 results)
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report

Research Products

(107 results)

All 2023 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (4 results) Journal Article (49 results) (of which Int'l Joint Research: 25 results,  Peer Reviewed: 48 results,  Open Access: 48 results) Presentation (46 results) (of which Int'l Joint Research: 10 results) Book (5 results) Remarks (3 results)

  • [Int'l Joint Research] Imago7 Foundation, Pisa, Italy/IRCCS Stella Maris, Pisa, Italy/GE Healthcare, Munich, Germany(イタリア)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] MD Anderson Cancer Center,(米国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] University College London,(英国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] Department de genie electrique/Polytechnique/Montreal(カナダ)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] 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 Learning2023

    • Author(s)
      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
    • Journal Title

      MRMS

      Volume: - Issue: 1 Pages: 1-10

    • DOI

      10.2463/mrms.mp.2021-0068

    • NAID

      130008127687

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Investigation of Water Diffusivity Changes along the Perivascular Space in Elderly Subjects with Hypertension2022

    • Author(s)
      Kikuta J.、Kamagata K.、Takabayashi K.、Taoka T.、Yokota H.、Andica C.、Wada A.、Someya Y.、Tamura Y.、Kawamori R.、Watada H.、Naganawa S.、Aoki S.
    • Journal Title

      American Journal of Neuroradiology

      Volume: 43 Pages: 48-55

    • DOI

      10.3174/ajnr.a7334

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) for evaluating interstitial fluid diffusivity and glymphatic function: CHanges in Alps index on Multiple conditiON acquIsition eXperiment (CHAMONIX) study2022

    • Author(s)
      Taoka Toshiaki、Ito Rintaro、Nakamichi Rei、Kamagata Koji、Sakai Mayuko、Kawai Hisashi、Nakane Toshiki、Abe Takashi、Ichikawa Kazushige、Kikuta Junko、Aoki Shigeki、Naganawa Shinji
    • Journal Title

      Japanese Journal of Radiology

      Volume: 40 Issue: 2 Pages: 147-158

    • DOI

      10.1007/s11604-021-01187-5

    • NAID

      210000187143

    • ISSN
      1867-1071, 1867-108X
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Comparison of Brain Volume Measurements Made with 0.3- and 3-T MR Imaging2022

    • Author(s)
      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
    • Journal Title

      MRMS

      Volume: - Issue: 3 Pages: 517-524

    • DOI

      10.2463/mrms.tn.2020-0034

    • NAID

      130008067114

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Time-dependent Diffusion in Brain Abscesses Investigated with Oscillating-gradient Spin-echo2022

    • Author(s)
      Maekawa Tomoko、Hori Masaaki、Murata Katsutoshi、Feiweier Thorsten、Kamiya Kouhei、Andica Christina、Hagiwara Akifumi、Fujita Shohei、Kamagata Koji、Wada Akihiko、Abe Osamu、Aoki Shigeki
    • Journal Title

      MRMS

      Volume: - Issue: 4 Pages: 525-530

    • DOI

      10.2463/mrms.ici.2021-0083

    • NAID

      130008087495

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Fiber-specific white matter alterations in early-stage tremor-dominant Parkinson’s disease2021

    • Author(s)
      Andica Christina、Kamagata Koji、Saito Yuya、Uchida Wataru、Fujita Shohei、Hagiwara Akifumi、Akashi Toshiaki、Wada Akihiko、Ogawa Takashi、Hatano Taku、Hattori Nobutaka、Aoki Shigeki
    • Journal Title

      npj Parkinson's Disease

      Volume: 7 Pages: 1-8

    • DOI

      10.1038/s41531-021-00197-4

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Neurite orientation dispersion and density imaging reveals white matter microstructural alterations in adults with autism2021

    • Author(s)
      Andica Christina、Kamagata Koji、Kirino Eiji、Uchida Wataru、Irie Ryusuke、Murata Syo、Aoki Shigeki
    • Journal Title

      Molecular Autism

      Volume: 12 Pages: 12-48

    • DOI

      10.1186/s13229-021-00456-4

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Differentiation between multiple sclerosis and neuromyelitis optica spectrum disorders by multiparametric quantitative MRI using convolutional neural network2021

    • Author(s)
      Hagiwara Akifumi、Otsuka Yujiro、Andica Christina、Kato Shimpei、Yokoyama Kazumasa、Hori Masaaki、Fujita Shohei、Kamagata Koji、Hattori Nobutaka、Aoki Shigeki
    • Journal Title

      Journal of Clinical Neuroscience

      Volume: 87 Pages: 55-58

    • DOI

      10.1016/j.jocn.2021.02.018

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effect of hybrid of compressed sensing and parallel imaging on the quantitative values measured by 3D quantitative synthetic MRI: A phantom study2021

    • Author(s)
      Murata Syo、Hagiwara Akifumi、Fujita Shohei、Haruyama Takuya、Kato Shimpei、Andica Christina、Kamagata Koji、Goto Masami、Hori Masaaki、Yoneyama Masami、Hamasaki Nozomi、Hoshito Haruyoshi、Aoki Shigeki
    • Journal Title

      Magnetic Resonance Imaging

      Volume: 78 Pages: 90-97

    • DOI

      10.1016/j.mri.2021.01.001

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Low-Field Magnetic Resonance Imaging2021

    • Author(s)
      Hori Masaaki、Hagiwara Akifumi、Goto Masami、Wada Akihiko、Aoki Shigeki
    • Journal Title

      Invest Radiol.

      Volume: 56 Pages: 669-679

    • DOI

      10.1097/rli.0000000000000810

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 3D Quantitative Synthetic MRI in the Evaluation of Multiple Sclerosis Lesions2021

    • Author(s)
      Fujita S.、Yokoyama K.、Hagiwara A.、Kato S.、Andica C.、Kamagata K.、Hattori N.、Abe O.、Aoki S.
    • Journal Title

      American Journal of Neuroradiology

      Volume: 42 Pages: 471-478

    • DOI

      10.3174/ajnr.a6930

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Repeatability and reproducibility of human brain morphometry using three‐dimensional magnetic resonance fingerprinting2021

    • Author(s)
      Fujita Shohei、Buonincontri Guido、Cencini Matteo、Fukunaga Issei、Takei Naoyuki、Schulte Rolf F.、Hagiwara Akifumi、Uchida Wataru、Hori Masaaki、Kamagata Koji、Abe Osamu、Aoki Shigeki
    • Journal Title

      Human brain mapping

      Volume: 42 Pages: 275-285

    • DOI

      10.1002/hbm.25232

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Age-Related Changes in Relaxation Times, Proton Density, Myelin, and Tissue Volumes in Adult Brain Analyzed by 2-Dimensional Quantitative Synthetic Magnetic Resonance Imaging2021

    • Author(s)
      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
    • Journal Title

      Investigative radiology

      Volume: 56 Pages: 163-172

    • DOI

      10.1097/rli.0000000000000720

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Neuronuclear and Neuromelanin‐Sensitive Imaging for Acquired Hepatocerebral Degeneration with Parkinsonism2021

    • Author(s)
      Ogawa Takashi、Ogaki Kotaro、Mori Yuko、Kamo Hikaru、Uchiyama Akira、Kamagata Koji、Nagaoka Masanori、Hattori Nobutaka
    • Journal Title

      Movement Disorders Clinical Practice

      Volume: 8 Pages: 464-468

    • DOI

      10.1002/mdc3.13166

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Possible Neuroprotective Effects of l-Carnitine on White-Matter Microstructural Damage and Cognitive Decline in Hemodialysis Patients2021

    • Author(s)
      Ueno Yuji、Saito Asami、Nakata Junichiro、Kamagata Koji、Taniguchi Daisuke、Motoi Yumiko、Io Hiroaki、Andica Christina、Shindo Atsuhiko、Shiina Kenta、Miyamoto Nobukazu、Yamashiro Kazuo、Urabe Takao、Suzuki Yusuke、Aoki Shigeki、Hattori Nobutaka
    • Journal Title

      Nutrients

      Volume: 13 Pages: 1292-1292

    • DOI

      10.3390/nu13041292

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Diffusion MRI Captures White Matter Microstructure Alterations in PRKN Disease2021

    • Author(s)
      Koinuma Takahiro、Hatano Taku、Kamagata Koji、Andica Christina、Mori Akio、Ogawa Takashi、Takeshige-Amano Haruka、Uchida Wataru、Saiki Shinji、Okuzumi Ayami、Ueno Shin-Ichi、Oji Yutaka、Saito Yuya、Hori Masaaki、Aoki Shigeki、Hattori Nobutaka
    • Journal Title

      Journal of Parkinson's Disease

      Volume: - Pages: 1221-1235

    • DOI

      10.3233/jpd-202495

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Connectome analysis of male world‐class gymnasts using probabilistic multishell, multitissue constrained spherical deconvolution tracking2021

    • Author(s)
      Tomita Hiroyuki、Kamagata Koji、Andica Christina、Uchida Wataru、Fukuo Makoto、Waki Hidefumi、Sugano Hidenori、Tange Yuichi、Mitsuhashi Takumi、Lukies Matthew、Hagiwara Akifumi、Fujita Shohei、Wada Akihiko、Akashi Toshiaki、Murata Syo、Harada Mutsumi、Aoki Shigeki、Naito Hisashi
    • Journal Title

      Journal of Neuroscience Research

      Volume: 99 Pages: 2558-2572

    • DOI

      10.1002/jnr.24912

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Multiple sclerosis plaques may undergo continuous myelin degradation: a cross-sectional study with myelin and axon-related quantitative magnetic resonance imaging metrics2021

    • Author(s)
      Maekawa Tomoko、Hagiwara Akifumi、Yokoyama Kazumasa、Hori Masaaki、Andica Christina、Fujita Shohei、Kamagata Koji、Wada Akihiko、Abe Osamu、Tomizawa Yuji、Hattori Nobutaka、Aoki Shigeki
    • Journal Title

      Neuroradiology

      Volume: 64 Pages: 465-471

    • DOI

      10.1007/s00234-021-02781-0

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Parkinson’s disease: deep learning with a parameter-weighted structural connectome matrix for diagnosis and neural circuit disorder investigation2021

    • Author(s)
      Yasaka Koichiro、Kamagata Koji、Ogawa Takashi、Hatano Taku、Takeshige-Amano Haruka、Ogaki Kotaro、Andica Christina、Akai Hiroyuki、Kunimatsu Akira、Uchida Wataru、Hattori Nobutaka、Aoki Shigeki、Abe Osamu
    • Journal Title

      Neuroradiology

      Volume: Online ahead of print. Pages: 1451-1462

    • DOI

      10.1007/s00234-021-02648-4

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] White matter alterations in Parkinson's disease with levodopa-induced dyskinesia2021

    • Author(s)
      Ogawa Takashi、Hatano Taku、Kamagata Koji、Andica Christina、Takeshige-Amano Haruka、Uchida Wataru、Saito Yuya、Shimo Yasushi、Oyama Genko、Umemura Atsushi、Iwamuro Hirokazu、Ito Masanobu、Hori Masaaki、Aoki Shigeki、Hattori Nobutaka
    • Journal Title

      Parkinsonism and Related Disorders

      Volume: 90 Pages: 8-14

    • DOI

      10.1016/j.parkreldis.2021.07.021

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] White matter and nigral alterations in multiple system atrophy-parkinsonian type2021

    • Author(s)
      Ogawa Takashi、Hatano Taku、Kamagata Koji、Andica Christina、Takeshige-Amano Haruka、Uchida Wataru、Kamiyama Daiki、Shimo Yasushi、Oyama Genko、Umemura Atsushi、Iwamuro Hirokazu、Ito Masanobu、Hori Masaaki、Aoki Shigeki、Hattori Nobutaka
    • Journal Title

      npj Parkinson's Disease

      Volume: 7 Pages: 0-0

    • DOI

      10.1038/s41531-021-00236-0

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Time-dependent Diffusion in Transient Splenial Lesion: Comparison between Oscillating-gradient Spin-echo Measurements and Monte-Carlo Simulation2021

    • Author(s)
      Maekawa Tomoko、Kamiya Kouhei、Murata Katsutoshi、Feiweier Thorsten、Hori Masaaki、Aoki Shigeki
    • Journal Title

      MRMS

      Volume: 1 Issue: 2 Pages: 227-230

    • DOI

      10.2463/mrms.bc.2020-0046

    • NAID

      130008046945

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Accelerated Isotropic Multiparametric Imaging by High Spatial Resolution 3D-QALAS With Compressed Sensing2020

    • Author(s)
      Fujita Shohei、Hagiwara Akifumi、Takei Naoyuki、Hwang Ken-Pin、Fukunaga Issei、Kato Shimpei、Andica Christina、Kamagata Koji、Yokoyama Kazumasa、Hattori Nobutaka、Abe Osamu、Aoki Shigeki
    • Journal Title

      Investigative Radiology

      Volume: 56 Pages: 292-300

    • DOI

      10.1097/rli.0000000000000744

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Myelin and Axonal Damage in Normal-Appearing White Matter in Patients with Moyamoya Disease2020

    • Author(s)
      Hara S., Hori M., Hagiwara A., Tsurushima Y., Tanaka Y., Maehara T., Aoki S., Nariai T.
    • Journal Title

      American Journal of Neuroradiology

      Volume: 9 Pages: 1618-1624

    • DOI

      10.3174/ajnr.a6708

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Synthetic MRI and MR fingerprinting in routine neuroimaging protocol: What's the next step?2020

    • Author(s)
      Fujita Shohei、Hagiwara Akifumi、Aoki Shigeki、Abe Osamu
    • Journal Title

      Journal of Neuroradiology

      Volume: 47 Pages: 134-135

    • DOI

      10.1016/j.neurad.2020.02.001

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Deep Learning Approach for Generating MRA Images From 3D Quantitative Synthetic MRI Without Additional Scans2020

    • Author(s)
      Fujita S., Hagiwara A., Otsuka Y., Hori M., Takei N., Hwang K. P., Irie R., Andica C., Kamagata K., Akashi T., Kumamaru K. K., Suzuki M., Wada A., Abe O., Aoki S.
    • Journal Title

      Investigative Radiology

      Volume: 55 Pages: 249-256

    • DOI

      10.1097/rli.0000000000000628

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Brain White-Matter Degeneration Due to Aging and Parkinson Disease as Revealed by Double Diffusion Encoding2020

    • Author(s)
      Kamiya Kouhei、Kamagata Koji、Ogaki Kotaro、Hatano Taku、Ogawa Takashi、Takeshige-Amano Haruka、Murata Syo、Andica Christina、Murata Katsutoshi、Feiweier Thorsten、Hori Masaaki、Hattori Nobutaka、Aoki Shigeki
    • Journal Title

      Frontiers in Neuroscience

      Volume: 14 Pages: 584-510

    • DOI

      10.3389/fnins.2020.584510

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A Novel Deep Learning Approach with a 3D Convolutional Ladder Network for Differential Diagnosis of Idiopathic Normal Pressure Hydrocephalus and Alzheimer's Disease2020

    • Author(s)
      Irie R., Otsuka Y., Hagiwara A., Kamagata K., Kamiya K., Suzuki M., Wada A., Maekawa T., Fujita S., Kato S., Nakajima M., Miyajima M., Motoi Y., Abe O., Aoki S.
    • Journal Title

      MRMS

      Volume: - Issue: 4 Pages: 351-358

    • DOI

      10.2463/mrms.mp.2019-0106

    • NAID

      130007948913

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Differentiation of high-grade and low-grade intra-axial brain tumors by time-dependent diffusion MRI2020

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Thorsten Feiweier, Kouhei Kamiya, Christina Andica, Akifumi Hagiwara, Shohei Fujita, Saori Koshino, Toshiaki Akashi, Koji Kamagata, Akihiko Wada, Osamu Abe, Shigeki Aoki
    • Journal Title

      Magnetic Resonance Imaging

      Volume: 72 Pages: 34-41

    • DOI

      10.1016/j.mri.2020.06.018

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Regional brain gray matter volume in world-class artistic gymnasts2020

    • Author(s)
      Fukuo Makoto、Kamagata Koji、Kuramochi Mana、Andica Christina、Tomita Hiroyuki、Waki Hidefumi、Sugano Hidenori、Tange Yuichi、Mitsuhashi Takumi、Uchida Wataru、Takenaka Yuki、Hagiwara Akifumi、Harada Mutsumi、Goto Masami、Hori Masaaki、Aoki Shigeki、Naito Hisashi
    • Journal Title

      The Journal of Physiological Sciences

      Volume: 70 Pages: 43-50

    • DOI

      10.1186/s12576-020-00767-w

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Connectivity-based localization of human hypothalamic nuclei in functional images of standard voxel size2020

    • Author(s)
      Ogawa Akitoshi、Osada Takahiro、Tanaka Masaki、Kamagata Koji、Aoki Shigeki、Konishi Seiki
    • Journal Title

      Neuroimage

      Volume: 221 Pages: 117205-117205

    • DOI

      10.1016/j.neuroimage.2020.117205

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Image Domain Transfer by Deep Learning is Feasible in Multiple Sclerosis Clinical Practice2020

    • Author(s)
      Hagiwara Akifumi、Kamagata Koji、Aoki Shigeki
    • Journal Title

      Investigative Radiology

      Volume: 55 Pages: 324-325

    • DOI

      10.1097/rli.0000000000000665

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ventricular volumetry and free-water corrected diffusion tensor imaging of the anterior thalamic radiation in idiopathic normal pressure hydrocephalus.2020

    • Author(s)
      Saito A, Kamagata K, Ueda R, Nakazawa M, Andica C, Irie R, Nakajima M, Miyajima M, Hori M, Tanaka F, Arai H, Aoki S.
    • Journal Title

      Journal of Neuroradiology

      Volume: 印刷中 Pages: 312-317

    • DOI

      10.1016/j.neurad.2019.04.003

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] MR g-ratio-weighted connectome analysis in patients with multiple sclerosis2019

    • Author(s)
      Kamagata Koji、Zalesky Andrew、Yokoyama Kazumasa、Andica Christina、Hagiwara Akifumi、Shimoji Keigo、Kumamaru Kanako K.、Takemura Mariko Y.、Hoshino Yasunobu、Kamiya Kouhei、Hori Masaaki、Pantelis Christos、Hattori Nobutaka、Aoki Shigeki
    • Journal Title

      Scientific Reports

      Volume: 9 Pages: 13522-13522

    • DOI

      10.1038/s41598-019-50025-2

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Free-Water Imaging in White and Gray Matter in Parkinson's Disease2019

    • Author(s)
      Andica C., Kamagata K., Hatano T., Saito A., Uchida W., Ogawa T., Takeshige-Amano H., Zalesky A., Wada A., Suzuki M., Hagiwara A., Irie R., Hori M., Kumamaru K. K., Oyama G., Shimo Y., Umemura A., Pantelis C., Hattori N., Aoki S.
    • Journal Title

      Cells

      Volume: 8 Pages: 839-839

    • DOI

      10.3390/cells8080839

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] White matter alterations in adult with autism spectrum disorder evaluated using diffusion kurtosis imaging2019

    • Author(s)
      Hattori A., Kamagata K., Kirino E., Andica C., Tanaka S., Hagiwara A., Fujita S., Maekawa T., Irie R., Kumamaru K. K., Suzuki M., Wada A., Hori M., Aoki S.
    • Journal Title

      Neuroradiology

      Volume: - Pages: 1343-1353

    • DOI

      10.1007/s00234-019-02238-5

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Unraveling Specific Brain Microstructural Damage in Moyamoya Disease Using Diffusion Magnetic Resonance Imaging and Positron Emission Tomography2019

    • Author(s)
      Hara S., Hori M., Ueda R., Hayashi S., Inaji M., Tanaka Y., Maehara T., Ishii K., Aoki S., Nariai T.
    • Journal Title

      Journal of Stroke and Cerebrovascular Diseases

      Volume: 28 Pages: 1113-1125

    • DOI

      10.1016/j.jstrokecerebrovasdis.2018.12.038

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Choroid plexus cysts analyzed using diffusion-weighted imaging with short diffusion-time2019

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Thorsten Feiweier, Christina Andica, Issei Fukunaga, Saori Koshino, Akifumi Hagiwara, Kouhei Kamiya, Koji Kamagata, Akihiko Wada, Osamu Abe, Shigeki Aoki
    • Journal Title

      Magn Reson Imaging

      Volume: 57 Pages: 323-327

    • DOI

      10.1016/j.mri.2018.12.010

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A Comparison of Techniques for Correcting Eddy-current and Motion-induced Distortions in Diffusion-weighted Echo-planar Images2019

    • Author(s)
      Haneda Jun、Hagiwara Akifumi、Hori Masaaki、Wada Akihiko、Fukunaga Issei、Murata Katsutoshi、Kamagata Koji、Fujita Shohei、Maekawa Tomoko、Irie Ryusuke、Takamura Tomohiro、Suzuki Michimasa、Kunishima Kumamaru Kanako、Aoki Shigeki
    • Journal Title

      MRMS

      Volume: 18 Issue: 4 Pages: 272-275

    • DOI

      10.2463/mrms.tn.2018-0095

    • NAID

      130007728800

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2019 Annual Research Report
  • [Journal Article] The Relationship between Neurite Density Measured with Confocal Microscopy in a Cleared Mouse Brain and Metrics Obtained from Diffusion Tensor and Diffusion Kurtosis Imaging2018

    • Author(s)
      Irie R., Kamagata K., Kerever A., Ueda R., Yokosawa S., Otake Y., Ochi H., Yoshizawa H., Hayashi A., Tagawa K., Okazawa H., Takahashi K., Sato K., Hori M., Arikawa-Hirasawa E., Aoki S.
    • Journal Title

      MRMS

      Volume: 17 Issue: 2 Pages: 128-144

    • DOI

      10.2463/mrms.mp.2017-0031

    • NAID

      130006685597

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Neurite orientation dispersion and density imaging of the nigrostriatal pathway in Parkinson's disease: Retrograde degeneration observed by tract-profile analysis.2018

    • Author(s)
      Andica C, Kamagata K, Hatano T, Okuzumi A, Saito A, Nakazawa M, Ueda R, Motoi Y, Kamiya K, Suzuki M, Hori M, Kumamaru KK, Hattori N, Aoki S.
    • Journal Title

      Parkinsonism Relat Disord

      Volume: 18 Pages: 30112-30113

    • DOI

      10.1016/j.parkreldis.2018.02.046

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Myelin Measurement : Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T(1)w/T(2)w Ratio Methods2018

    • Author(s)
      Hagiwara A., Hori M., Kamagata K., Warntjes M., Matsuyoshi D., Nakazawa M., Ueda R., Andica C., Koshino S., Maekawa T., Irie R., Takamura T., Kumamaru K. K., Abe O., Aoki S.
    • Journal Title

      Sci Rep

      Volume: 8 Pages: 10554-10554

    • DOI

      10.1038/s41598-018-28852-6

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Diffusional kurtosis imaging and white matter microstructure modeling in a clinical study of major depressive disorder2018

    • Author(s)
      Kamiya K., Okada N., Sawada K., Watanabe Y., Irie R., Hanaoka S., Suzuki Y., Koike S., Mori H., Kunimatsu A., Hori M., Aoki S., Kasai K., Abe O.
    • Journal Title

      NMR Biomed

      Volume: 31

    • DOI

      10.1002/nbm.3938

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Changes in the ADC of diffusion-weighted MRI with the oscillating gradient spin-echo (OGSE) sequence due to differences in substrate viscosities2018

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Thorsten Feiweier, Issei Fukunaga, Christina Andica, Akifumi Hagiwara, Koji Kamagata, Saori Koshino, Osamu Abe, Shigeki Aoki
    • Journal Title

      Japanese Journal of Radiology

      Volume: 36 Issue: 7 Pages: 415-420

    • DOI

      10.1007/s11604-018-0737-0

    • NAID

      50012896039

    • ISSN
      1867-1071, 1867-108X
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Spatial Restriction within Intracranial Epidermoid Cysts Observed Using Short Diffusion-time Diffusion-weighted Imaging2018

    • Author(s)
      Christina Andica, Masaaki Hori, Kouhei Kamiya, Saori Koshino, Akifumi Hagiwara, Koji Kamagata, Issei Fukunaga, Nozomi Hamasaki, Michimasa Suzuki, Thorsten Feiweier, Katsutoshi Murata, Atsushi Arakawa, Akihide Kondo, Osamu Akiyama, Shigeki Aoki
    • Journal Title

      MRMS

      Volume: 17 Issue: 3 Pages: 269-272

    • DOI

      10.2463/mrms.cr.2017-0111

    • NAID

      130007403806

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Reduced visualization of cerebral infarction on diffusion-weighted images with short diffusion times.2018

    • Author(s)
      Boonrod A, Hagiwara A, Hori M, Fukunaga I, Andica C, Maekawa T, Aoki S.
    • Journal Title

      Neuroradiology

      Volume: 60 Pages: 979-982

    • DOI

      10.1007/s00234-018-2065-6

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Microstructural Damage in Normal-Appearing Brain Parenchyma and Neurocognitive Dysfunction in Adult Moyamoya Disease2018

    • Author(s)
      Hara S., Hori M., Murata S., Ueda R., Tanaka Y., Inaji M., Maehara T., Aoki S., Nariai T.
    • Journal Title

      Stroke

      Volume: 49 Pages: 2504-2507

    • DOI

      10.1161/strokeaha.118.022367

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Advantage of Synthetic MRI for the Visualization of Anterior Temporal Pole Lesions on Double Inversion Recovery (DIR), Phase-sensitive Inversion Recovery (PSIR), and Myelin Images in a Patient with CADASIL2018

    • Author(s)
      Wallaert L, Hagiwara A, Andica C, Hori M, Yamashiro K, Koshino S, Maekawa T, Kamagata K, Aoki S.
    • Journal Title

      MRMS

      Volume: 印刷中 Issue: 4 Pages: 275-276

    • DOI

      10.2463/mrms.ci.2017-0110

    • NAID

      130007496908

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Differentiating Alzheimer's Disease from Dementia with Lewy Bodies Using a Deep Learning Technique Based on Structural Brain Connectivity.2018

    • Author(s)
      Wada A, Tsuruta K, Irie R, Kamagata K, Maekawa T, Fujita S, Koshino S, Kumamaru K, Suzuki M, Nakanishi A, Hori M, Aoki S.
    • Journal Title

      Magn Reson Med Sci

      Volume: 18 Pages: 1-6

    • DOI

      10.2463/mrms.mp.2018-0091

    • NAID

      130007679745

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Time-Dependent Diffusion Using Oscillating-Gradient Spin-echo Sequence in Extra-Axial Brain Tumors2021

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Kouhei Kamiya, Christina Andica, Akifumi Hagiwara, Shohei Fujita, Koji Kamagata, Akihiko Wada, Shigeki Aoki.
    • Organizer
      the 9th International Congress on MRI & 26th Annual Scientific Meeting of KSMRM (ICMRI 2021)
    • Related Report
      2020 Annual Research Report
  • [Presentation] Association of estimated time from the onset of multiple sclerosis plaques with myelin and axon-related quantitative MRI measurement.2021

    • Author(s)
      Tomoko Maekawa, Akifumi Hagiwara, Masaaki Hori, Christina Andica, Shohei Fujita, Toshiaki Akashi, Koji Kamagata, Akihiko Wada, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition,
    • Related Report
      2020 Annual Research Report
  • [Presentation] Brain white and gray matter alterations in early-stage Parkinson's disease with GBA1 gene mutations evaluated using free water imaging.2021

    • Author(s)
      Andica C, Kamagata K, Abe M, Uchida W, Saito Y, Nozaki H, Takabayahi K, Hori M, Aoki S.
    • Organizer
      2021 ISMRM & SMRT Virtual Conference & Exhibition
    • Related Report
      2020 Annual Research Report
  • [Presentation] Comparison of cortical gray matter and subcortical gray matter using double diffusion encoding.2021

    • Author(s)
      Shimpei Kato, Kouhei Kamiya, Koji Kamagata, Hiroshi Kusahara, Masahiro Abe, Shohei Fujita, Toshiaki Akashi, Katsuhiro Sano, Akihiko Wada, Masaaki Hori, Osamu Abe, Shigeki Aoki.
    • Organizer
      ISMRM & SMRT Annual Meeting & Exhibition 2021
    • Related Report
      2020 Annual Research Report
  • [Presentation] An investigation of the change in water diffusivity along the perivascular space in hypertensive patients23592021

    • Author(s)
      Junko Kikuta, Koji Kamagata, Kaito Takabayashi, Toshiaki Taoka, Hajime Yokota, Yuki Someya, Yoshifumi Tamura, Hirotaka Watada, Ryuzo Kawamori, Shinji Naganawa, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition
    • Related Report
      2020 Annual Research Report
  • [Presentation] Simultaneous morphometry and relaxometry of the human brain using three-dimensional MR fingerprinting at 1.5 and 3T.2021

    • Author(s)
      Shohei Fujita, Matteo Cencini, Guido Buonincontri, Naoyuki Takei, Rolf F. Schulte, Wataru Uchida, Akifumi Hagiwara, Koji Kamagata, Osamu Abe, Michela Tosetti, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition
    • Related Report
      2020 Annual Research Report
  • [Presentation] Prospective motion-corrected three-dimensional multiparametric mapping of the brain1371.2021

    • Author(s)
      Shohei Fujita, Naoyuki Takei, Akifumi Hagiwara, Issei Fukunaga, Dan Rettmann, Suchandrima Banerjee, Ken-Pin Hwang, Shiori Amemiya, Koji Kamagata, Osamu Abe, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition
    • Related Report
      2020 Annual Research Report
  • [Presentation] Radiomics with 3D MR fingerprinting: Influence of dictionary design on radiomic features and a potential mitigation strategy.2021

    • Author(s)
      Shohei Fujita, Akifumi Hagiwara, Koichiro Yasaka, Hiroyuki Akai, Akira Kunimatsu, Shigeru Kiryu, Issei Fukunaga, Shimpei Kato, Toshiaki Akashi, Koji Kamagata, Akihiko Wada, Osamu Abe, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition
    • Related Report
      2020 Annual Research Report
  • [Presentation] Temporal progression patterns of white-matter degeneration in CBS and PSP identified with Subtype & Stage Inference (SuStaIn).2021

    • Author(s)
      Yuya Saito, Peter A. Wijeratne, Koji Kamagata, Christina Andica, Wataru Uchida, Toshiaki Akashi, Akihiko Wada, Masaaki Hori, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition,
    • Related Report
      2020 Annual Research Report
  • [Presentation] Free Water Eliminated White Matter Tract Integrity of Spinal Cord in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder3446.2021

    • Author(s)
      Masaaki Hori, Kouhei Kamiya, Akifumi Hagiwara, Kazumasa Yokoyama, Issei Fukunaga, Katsuhiro Sano, Koji Kamagata, Katsutoshi Murata, Shohei Fujita, Christina Andica, Akihiko Wada, Julien Cohen-Adad, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition,
    • Related Report
      2020 Annual Research Report
  • [Presentation] Microstructural Gray Matter Abnormalities in Progressive Supranuclear Palsy and Corticobasal Syndrome: Evaluation by Free-water Imaging.2021

    • Author(s)
      Koji Kamagata, Christina Andica, Kaito Takabayashi, Yuya Saito, Wataru Uchida, Shohei Fujita, Toshiaki Akashi, Akihiko Wada, Kouhei Kamiya, Masaaki Hori, and Shigeki Aoki
    • Organizer
      ISMRM 29th annual meeting and exhibition,
    • Related Report
      2020 Annual Research Report
  • [Presentation] Deep learning-based DWI Denoising method that suppressed the "instability" problem.2021

    • Author(s)
      Hayato Nozaki, Yasuhiko Tachibana, Yujiro Otsuka, Wataru Uchida, Yuya Saito, Koji Kamagata, and Shigeki Aoki.
    • Organizer
      ISMRM 29th annual meeting and exhibition,
    • Related Report
      2020 Annual Research Report
  • [Presentation] 機械学習によるUltrashort TE 4D MR Angiography の改善(電子ポスター)2021

    • Author(s)
      和田昭彦、池之内穣、赤津敏哉、明石敏昭、佐野勝廣、藤田翔平、佐藤香菜子、鎌形康司、菊田潤子、富澤信夫、早川弥生、中西淳、青木茂樹
    • Organizer
      第49回日本磁気共鳴医学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 深層学習モデルを用いた乳幼児脳MRIからの年齢推定2021

    • Author(s)
      和田 昭彦、斎藤 勇哉、藤田 翔平、加藤 伸平、池之内 穣、明石 敏昭、佐野 勝廣、 佐藤 香菜子、菊田 潤子、鎌形 康司、青木 茂樹
    • Organizer
      第50回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] ALPS methodを用いた高血圧症における血管周囲腔方向の拡散能変化の検討.2021

    • Author(s)
      菊田 潤子、鎌形 康司、高林 海斗、染谷 由希、田村 好史、河盛 隆造、 綿田 裕孝、田岡 俊昭、長縄 慎二、青木 茂樹
    • Organizer
      第50回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 小脳の区分と脳内のネットワークから脊髄小脳変性症の変性パターンの理解を深める2021

    • Author(s)
      佐藤 香菜子、鎌形 康司、斎藤 勇哉、内田 航、菊田 潤子、池之内 穣、鈴木 通真、和田 昭彦、青木 茂樹
    • Organizer
      第57回日本医学放射線学会秋季臨床大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 限局性皮質形成異常の読影のポイント-手術予後に寄与するために-(The points of image reading of focal cortical dysplasia -For contributing to prognosis after surgery-)2021

    • Author(s)
      佐藤香菜子、明石 敏昭、鎌形 康司 、菊田潤子、藤田 翔平、加藤 伸平、池之内 穣 、和田昭彦、青木茂樹
    • Organizer
      第50回日本神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 3D MR Fingerprinting による脳構造毎の組織緩和時間と形態情報の同時解析に関する網羅的検討2021

    • Author(s)
      藤田翔平, Matteo Cencini, Guido Buonincontri, 竹井直行, 福永一星, 内田航, 萩原彰文, 鎌形康司, 阿部修, Michela Tosetti, 青木茂樹
    • Organizer
      第49回 日本磁気共鳴医学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] DDEを用いた大脳皮質領域毎のμFA値計測の初期検討2021

    • Author(s)
      加藤 伸平、神谷 昂平、阿部 正裕、草原 博志、藤田 翔平、明石 敏昭、鎌形 康司、和田 昭彦、堀 正明、青木 茂樹
    • Organizer
      第50回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 脳膿瘍における短い拡散時間を用いた拡散時間依存性の検討2021

    • Author(s)
      前川 朋子、堀 正明、村田 勝俊、神谷 昂平、Andica Christina、藤田 翔平、萩原 彰文、鎌形 康司、和田 昭彦、青木 茂樹
    • Organizer
      第50回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 進行性核上性麻痺における free-water imaging による白質評価2020

    • Author(s)
      加藤亜結美、鎌形康司、Andica Christina、斎藤勇哉、萩原彰文、明石敏昭、和田昭彦、堀正明、藤井進也、青木茂樹.
    • Organizer
      第49回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] U-Net を用いた生成脂肪抑制画像における有用性の検討2020

    • Author(s)
      加藤伸平、和田昭彦、斎藤勇哉、菊田潤子、藤本幸多朗、 藤田翔平、鎌形康司、鈴木通真、阿部修、青木茂樹
    • Organizer
      第49回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 深層学習 Unet を用いた脂肪信号抑制 MR 画像の試み ― 頭頸部領域への転移学習2020

    • Author(s)
      和田昭彦、加藤伸平、斎藤勇哉、藤本幸多朗、藤田翔平、明石敏昭、 鎌形康司、鈴木 通真、中西淳、青木茂樹
    • Organizer
      第49回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Coil 併用 Flow diverter stent 留置術後の内頸動脈瘤内 flow のUltrashort TE 4D MRA:2 症例における経験2020

    • Author(s)
      池之内穣、鈴木通真、髙野直、佐藤香菜子、明石敏昭、鎌形康司、和田昭彦、山本宗孝、大石英則、青木茂樹
    • Organizer
      第49回神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] What radiologists need to know about diffusion time.2020

    • Author(s)
      前川朋子、堀正明、村田勝俊、神谷昂平、Christina Andica、萩原彰文、藤田翔平、鎌形康司、和田昭彦、青木茂樹
    • Organizer
      第79回日本医学放射線学会総会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 大脳白質病変のGrade 分類に対するDeep learning の有用性2020

    • Author(s)
      菊田潤子、和田昭彦、加藤伸平、枝伸人、中嶋光、藤田哲郎、宇田川剛史、尾崎裕、青木茂樹
    • Organizer
      第49回日本神経放射線学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] SuStaIn を用いた大脳皮質基底核症候群および進行性核上性麻痺における脳萎縮の時間的進行パターンの推定2020

    • Author(s)
      斎藤勇哉, 鎌形康司, アンディカ・クリスティナ, 内田航, 村田渉, 萩原彰文, 明石敏昭, 和田昭彦, 堀正明, 青木茂樹
    • Organizer
      第22回日本ヒト脳機能マッピング学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Free-water imagingを用いた自閉症スペクトラム障害に伴う大脳白質神経炎症の評価2020

    • Author(s)
      内田航、鎌形康司、桐野衛二、Christina Andica、斎藤勇哉、萩原彰文、明石敏昭、和田昭彦、藤田翔平、村田渉、堀正明、青木茂樹
    • Organizer
      第22回日本ヒト脳機能マッピング学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Radiomics with 3D MR fingerprinting: the influence of dictionary design on texture features and a way to mitigate it2020

    • Author(s)
      Shohei Fujita, Koichiro Yasaka, Hiroyuki Akai, Akira Kunimatsu, Shigeru Kiryu, Issei Fukunaga, Shimpei Kato, Akifumi Hagiwara, Toshiaki Akashi, Koji Kamagata, Akihiko Wada, Osamu Abe, Shigeki Aoki.
    • Organizer
      The 48th Annual Meeting of the JSMRM
    • Related Report
      2020 Annual Research Report
  • [Presentation] 転移性脳腫瘍検出率のGd造影剤投与後経過時間による変化2020

    • Author(s)
      神谷昂平、入江隆介、工藤興亮、五味達哉、尾﨑裕、野崎美和子、京極伸介、南学、石口恒男、阪原晴海、村上卓道、鳴海善文、粟井和夫、原田雅史、大久保敏之、岡田進、青木茂樹.
    • Organizer
      第48回日本磁気共鳴医学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] PyramidNet深層機械学習モデルを用いた頚部リンパ節の検出2020

    • Author(s)
      加藤伸平、和田昭彦、斎藤勇哉、藤田翔平 、池之内穣、早川弥生、佐藤香菜子、富澤信夫、明石敏昭、天野真紀、鎌形康司、隈丸加奈子、佐野勝廣、中西淳、阿部修、青木茂樹
    • Organizer
      第48回日本磁気共鳴医学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] White matter integrity as a mediator in the relationship between polyunsaturated fatty acids and cognition in the elderly.2020

    • Author(s)
      Koji Kamagata, Kazunori Shimada, Hideyoshi Kaga, Yuki Someya, Christina Andica, Yuya Saito, Toshiaki Akashi, Akihiko Wada, Yoshifumi Tamura, Ryuzo Kawamori, Hirotaka Watada, Hiroyuki Daida, Shigeki Aoki
    • Organizer
      第48回日本磁気共鳴医学会大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Microscopic fractional anisotropy measurements from double diffusion encoding for human brain tumor diagnosis.2020

    • Author(s)
      Masaaki Hori, Masanori Ozaki, Hiroshi Kusahara, Masahiro Abe, Shuji Sato, Seiko Shimizu, Kouhei Kamiya, Toshiaki Akashi, Koji Kamagata, Shigeki Aoki.
    • Organizer
      ISMRM 28th annual meeting
    • Related Report
      2020 Annual Research Report
  • [Presentation] Differentiation of Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorders by Convolutional Neural Network.2020

    • Author(s)
      Hagiwara A, Otsuka Y, Andica C, Kato S, Yokoyama K, Hori M, Fujita S, Kamagata K, Irie R, Koshino S, Maekawa T, Akashi T, Wada A, Kumamaru K, Haruyama T, Murata S, Hattori N, Aoki S.
    • Organizer
      International Society for Magnetic Resonance in Medicine Virtual Conference & Exhibition.
    • Related Report
      2020 Annual Research Report
  • [Presentation] Brain volumetry and myelin estimation derived from synthetic MRI with various in-plane resolutions at 3 T2019

    • Author(s)
      Hagiwara A, Hori M, Ozaki Y, Maekawa T, Andica C, Horita M, Fujita S, Aoki S
    • Organizer
      European Congress of Radiology
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Diffusion Time Dependence of Diffusion Tensor Parameters in the Evaluation of Meningioma Subtype: a Preliminary Study2019

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Christina Andica, Yutaka Ikenouchi, Shohei Fujita, Ryusuke Irie, Akifumi Hagiwara, Kamiya Kouhei, Koji Kamagata, Akihiko Wada, Shigeki Aoki
    • Organizer
      ISMRM, Montreal, Canada
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Differentiation of High-Grade and Low-Grade Intra-Axial Brain Tumors by Time- Dependent Diffusion MRI2019

    • Author(s)
      Tomoko Maekawa, Masaaki Hori, Katsutoshi Murata, Kouhei Kamiya, Christina Andica, Akifumi Hagiwara, Shohei Fujita, Ryusuke Irie, Toshiaki Akashi, Koji Kamagata, Akihiko Wada, Shigeki Aoki
    • Organizer
      第47回日本磁気共鳴医学会大会、熊本、2019.9.20-22
    • Related Report
      2019 Annual Research Report
  • [Presentation] Information gain by double diffusion encoding to study brain white matter: preliminary experience2019

    • Author(s)
      Kouhei Kamiya, Koji Kamagata Kotaro Ogaki, Masaaki Hori, Katsutoshi Murata, Osamu Abe, Shigeki Aoki、Information gain by double diffusion encoding to study brain white matter: preliminary experience
    • Organizer
      第47回日本磁気共鳴医学会大会、熊本、2019.9.20-22
    • Related Report
      2019 Annual Research Report
  • [Presentation] Brain volumetry and myelin estimation derived from synthetic MRI with various in-plane resolutions at 3 T.2019

    • Author(s)
      Hagiwara A, Hori M, Ozaki Y, Maekawa T, Andica C, Horita M, Fujita S, Aoki S.
    • Organizer
      European Congress of Radiology2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Diffusion Time Dependence of Diffusion Tensor Parameters in Choroid Plexus Cysts.2019

    • Author(s)
      Maekawa T, Hori M, Murata K, Andica C, Hagiwara A, Kamiya K, Kamagata K, Wada A, Aoki S.
    • Organizer
      European Congress of Radiology2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Diffusion-weighted MRI with Oscillating Gradient Spin Echo (OGSE) sequence: Changes of ADC due to differences in the viscosity of substrates.2018

    • Author(s)
      Maekawa T, Hori M, Fukunaga I, Murata K, Koshino S, Andica C, Irie R, Hagiwara A,Murata S, Hamasaki N, Horita M, Takenaka Y, Aoki S.
    • Organizer
      The 6th international congress on magnetic resonance imaging & 23rd annual scientific meeting of KSMRM
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] White Matter Alterations in Parkinson’s Disease Analyzed with Combined Diffusion Magnetic Resonance Imaging and Magnetization Transfer Saturation Imaging: A Tract-Based Spatial Statistics Analysis.2018

    • Author(s)
      Andica C, Kamagata K, Hatano T, Saito A, Takenaka Y, Hagiwara A, Hori M, Irie R, Wada A, Kumamaru K, Hattori N, Aoki S.
    • Organizer
      Joint Annual Meeting ISMRM-ESMRMB2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Oscillating gradient spin echo (OGSE) diffusion weighted imaging of the epidermoid cysts: simulation application.2018

    • Author(s)
      Koshino S, Sakakibara A, Choppin A, Andica C, Hagiwara A, Maekawa T, Takemori A, Arakawa A, Chougar L, Hori M, Aoki S.
    • Organizer
      Joint Annual Meeting ISMRM-ESMRMB2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Rapid Myelin Measurement: Comparison Between SyMRI (Simultaneous Tissue Relaxometry), Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods.2018

    • Author(s)
      Hagiwara A, Hori M, Kamagata K, Nakazawa M, Andica C, Maekawa T, Koshino S, Irie R, Chougar L, Abe O, Aoki S.
    • Organizer
      Joint Annual Meeting ISMRM-ESMRMB2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Diffusion kurtosis imaging and white matter model analysis of the brains of patients with major depressive disorder.2018

    • Author(s)
      Kamiya K, Okada N, Sawada K, Watanabe Y, Irie R, Suzuki Y, Hanaoka S, Watadani T, Koike S, Mori H, Kunimatsu A, Hori M, Aoki S, Kasai K, Abe O.
    • Organizer
      Joint Annual Meeting ISMRM-ESMRMB2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Radiologic-Pathologic Correlation for Differential Diagnosis Using Diffusion MRI with a Short Diffusion Time.2018

    • Author(s)
      Koshino S, Takemori M, Andica C, Hori M, Kamagata K,. Kumamaru KK, Wada A, Watadani T, Mori H, Abe O, Aoki S.
    • Organizer
      Ragiological Society of North America 104th Scientific Assembly and Annual Meeting
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Book] Diffusion Weighted MR Imaging of the Brain, Head and Neck, and Spine2020

    • Author(s)
      Takayuki Obata, Jeff Kershaw, Akifumi Hagiwara, Shigeki Aoki
    • Publisher
      Springer
    • Related Report
      2020 Annual Research Report
  • [Book] 「筋萎縮性側索硬化症」、「Huntington病」. よく分かる脳MRI 第4版2020

    • Author(s)
      編著:青木茂樹、相田典子、井田正博、大場洋、佐藤香菜子(分担執筆者)
    • Publisher
      学研メディカル秀潤社
    • Related Report
      2020 Annual Research Report
  • [Book] よくわかる脳MRI 改訂第4版(画像診断別冊 KEY BOOKシリーズ)多発性硬化症:治療後の変化.2020

    • Author(s)
      青木茂樹、相田典子、越野沙織、 井田正博、大場洋(著, 編集)
    • Publisher
      学研メディカル秀潤社
    • Related Report
      2020 Annual Research Report
  • [Book] Annual Review神経2020

    • Author(s)
      鎌形康司、アンディカ・クリスティナ、青木茂樹
    • Publisher
      中外医学社
    • Related Report
      2020 Annual Research Report
  • [Book] INNERVISION2020

    • Author(s)
      明石敏昭、青木茂樹
    • Publisher
      株式会社インナービジョン
    • Related Report
      2020 Annual Research Report
  • [Remarks] doi: 10.1093/cercor/bhac096.

    • Related Report
      2020 Annual Research Report
  • [Remarks] doi: 10.1016/j.neuroimage.2022.119176.

    • Related Report
      2020 Annual Research Report
  • [Remarks] Front Neurol. 2022 Feb 25;13:814768.

    • Related Report
      2020 Annual Research Report

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Published: 2018-04-23   Modified: 2022-12-28  

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