Koji Kamagata 研究室

主宰者：Koji Kamagata

順天堂大学

AI 要約（直近 5 年の研究成果）

要約はまだ生成されていません。

※ AI（Claude）が、公開されている論文要旨から研究の問い・手法・主要な発見を事実情報として抽出・再構成して自動生成しています。誤りを含む可能性があるため、正確性は研究室公式情報でご確認ください。

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研究成果（100 件）

[2026] Flip angle in susceptibility-weighted imaging for the diagnosis of multiple sclerosis
DOI: https://doi.org/10.1016/s1474-4422(26)00171-7
[2026] Investigation of the Association Between Polygenic Risk Scores and Brain MRI Metrics in Multiple Sclerosis Using a Large-Scale Database [Presidential Award Proceedings]
DOI: https://doi.org/10.2463/jjmrm.2025-1875
[2025] The coupling of global brain activity and cerebrospinal fluid flow as a potential predictive marker of amyloid-β accumulation
DOI: https://doi.org/10.58530/2025/4584
[2025] Contribution of white matter microstructure to diffusion tensor image analysis along perivascular space in obstructive sleep apnea
DOI: https://doi.org/10.1007/s11604-025-01838-x
[2025] Retrieval-augmented generation elevates local LLM quality in radiology contrast media consultation
DOI: https://doi.org/10.1038/s41746-025-01802-z
[2025] Gray matter microstructure alterations with excess extra-cellular free water contribute to cognitive dysfunction in bipolar disorder: A comparative analysis with white matter pathology
DOI: https://doi.org/10.1016/j.neuroimage.2025.121342
[2025] The coupling of global brain activity and cerebrospinal fluid flow as a potential predictive marker of brain amyloid-β accumulation
DOI: https://doi.org/10.1016/j.tjpad.2025.100228
[2025] Association between frontal pole atrophy and glymphatic dysfunction in patients with bipolar disorder
DOI: https://doi.org/10.1016/j.jad.2025.119686
[2025] Content-consistent adaptation network for substantia nigra segmentation in cross-modalities and -datasets scenarios without retraining
DOI: https://doi.org/10.1117/12.3047729
[2025] White Matter Microstructure Alterations in Older Adults With Dyslipidemia Associated With Cognitive and Locomotor Dysfunction Evaluated Using Neurite Orientation Dispersion and Density Imaging
DOI: https://doi.org/10.1002/brb3.70526

続きを表示（残り 90 件）

[2025] Reduced Myelin in Poor Sleepers: Mediated by Glymphatic Clearance Dysfunction and Linked to Circadian Clock Gene Expression [Presidential Award Proceedings]
DOI: https://doi.org/10.2463/jjmrm.2025-1847
[2025] Evaluation of Periventricular Gradient Changes in Multiple Sclerosis, MOGAD, and NMOSD Using Synthetic MRI [Presidential Award Proceedings]
DOI: https://doi.org/10.2463/jjmrm.2024-1835
[2025] Diffusion Tensor Image Analysis Along the Perivascular Space in Former Professional Athletes with Repetitive Mild Traumatic Brain Injury History
DOI: https://doi.org/10.1016/j.acra.2025.04.028
[2025] Japan-Medical Image Database (J-MID): Medical Big Data Supporting Data Science
DOI: https://doi.org/10.14789/ejmj.jmj25-0004-p
[2025] Are Diffusion Models Effective Good Feature Extractors for MRI Discriminative Tasks?
DOI: https://doi.org/10.2463/mrms.mp.2024-0206
[2025] Association between cognitive function and relaxation rates of the cerebral cortex
DOI: https://doi.org/10.1016/j.jns.2025.123466
[2025] Differentiation of Autoimmune Pancreatitis From Pancreatic Ductal Adenocarcinoma by Diffusion-Weighted Magnetic Resonance Imaging With Weighted Diffusion Subtraction
DOI: https://doi.org/10.7759/cureus.81438
[2025] Clinical Neuroimaging Over the Last Decade
DOI: https://doi.org/10.1097/rli.0000000000001192
[2025] MR Imaging Indices for Brain Interstitial Fluid Dynamics and the Effects of Orexin Antagonists on Sleep
DOI: https://doi.org/10.2463/mrms.mp.2024-0176
[2025] VISUAL HALLUCINATIONS IN PARKINSON’ S DISEASE WERE ASSOCIATED WITH DECREASING BLOOD FLOW IN THE BILATERAL POSTERIOR CINGULATE CORTEX ON 123I-IMP-SPECT
DOI: https://doi.org/10.1093/ijnp/pyae059.317
[2025] Abnormal neuritic microstructures in the anterior limb of internal capsules in treatment-resistant depression - A cross-sectional NODDI study
DOI: https://doi.org/10.1016/j.jpsychires.2025.02.007
[2025] Choroid Plexus Enlargement Mediates Cognitive Decline in Traumatic Brain Injury: UK Biobank Study
DOI: https://doi.org/10.58530/2025/1000
[2025] Periventricular Gradient of Tissue Microstructure in Patients with MS, NMOSD, and MOGAD
DOI: https://doi.org/10.58530/2025/0629
[2025] The relationship between tau protein and white matter structural changes in Alzheimer's disease using fixel-based analysis
DOI: https://doi.org/10.58530/2025/0755
[2025] The relationship between skeletal muscle DTI metrics and athletic performance in track and field sprinters
DOI: https://doi.org/10.58530/2025/2220
[2025] Hidden Pitfall in Multiple Sclerosis Imaging: How Standard Susceptibility-Weighted Imaging (SWI) May Miss Paramagnetic Rim Lesions
DOI: https://doi.org/10.2463/mrms.bc.2025-0073
[2025] Utility of Harmonisation for Fixel‐Based Metrics in Travelling Subjects and Alzheimer's Disease Data
DOI: https://doi.org/10.1002/hbm.70408
[2025] Interpretation of Diffusion MR Imaging Data Using Non-negative Least Squares (NNLS)
DOI: https://doi.org/10.2463/mrms.tn.2024-0210
[2025] Vendor-neutral MP2RAGE with Pulseq in VENUS: Three vendors and five scanners
DOI: https://doi.org/10.58530/2025/1660
[2025] Fully automated segmentation of substantia nigra toward longitudinal analysis of Parkinson’s disease
DOI: https://doi.org/10.1007/s11548-025-03451-9
[2025] Liver Tumor Differentiation Enhanced by Adding Hepatobiliary Phase MR Fingerprinting: A Multi-parametric Diagnostic Approach
DOI: https://doi.org/10.58530/2025/0775
[2024] Cross-vendor three-dimensional multiparametric mapping of the human brain: A traveling-subject and patient study
DOI: https://doi.org/10.58530/2023/0398
[2024] Time-dependent Diffusion in Acute and Chronic Plaques of Multiple Sclerosis Investigated with Oscillating-gradient Spin-echo.
DOI: https://doi.org/10.58530/2023/2828
[2024] Free water imaging parameter estimation by combination of synthetic q-space learning and conventional fitting: a hybrid approach
DOI: https://doi.org/10.58530/2023/4918
[2024] Anisotropic and Isotropic Kurtosis Estimation of Spinal Cord Microstructure in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder
DOI: https://doi.org/10.58530/2023/1548
[2024] Do adult patients with moyamoya disease have glymphatic system dysfunction? - evaluation using diffusion along perivascular space
DOI: https://doi.org/10.58530/2023/1452
[2024] Myelin Measurement: Comparison Between Simultaneous Relaxometry, Inhomogeneous Magnetization Transfer Imaging, and Myelin Water Fraction
DOI: https://doi.org/10.58530/2023/3582
[2024] Investigation of the ALDH2 genetic polymorphism effect in alcohol-related glymphatic dysfunction using DTI-ALPS
DOI: https://doi.org/10.58530/2023/3006
[2024] The effects of brain diffusion MRI preprocessing pipelines in a clinical study of neurodegenerative disease
DOI: https://doi.org/10.58530/2023/2945
[2024] Magnetic resonance fingerprinting for objective and contrast-free focal liver lesion characterization: A preliminary study
DOI: https://doi.org/10.58530/2023/0798
[2024] Identify the paraventricular thalamic nucleus in humans using a structural connectivity approach
DOI: https://doi.org/10.58530/2023/2684
[2024] Evaluation of the glymphatic system in patients with bipolar disorder using the DTI-ALPS method
DOI: https://doi.org/10.58530/2024/2637
[2024] Brain Connectivity and Intelligence: A Comprehensive Magnetic Resonance Imaging Analysis Illuminating the Neural Underpinnings
DOI: https://doi.org/10.58530/2024/2048
[2024] Assessment of Periventricular Gradient of Myelin Content in Multiple Sclerosis Using Synthetic MRI
DOI: https://doi.org/10.58530/2024/2974
[2024] Exploring the Efficacy of Different Combinations of B-Values and B-Tensor Shapes in Assessing Spinal Cord in MS and NMOSD Using Micro-FA
DOI: https://doi.org/10.58530/2024/2513
[2024] The relation between sleep indices and indices for brain interstitial fluid dynamics by MRI and the effects of orexin antagonists: a FLUID study.
DOI: https://doi.org/10.58530/2024/4919
[2024] The Evolution and Clinical Impact of Deep Learning Technologies in Breast MRI
DOI: https://doi.org/10.2463/mrms.rev.2024-0056
[2024] The evaluation of white matter lesion with 3D-T1 weighted imaging for predicting dementia
DOI: https://doi.org/10.58530/2024/3114
[2024] Evaluation of the relation between tau protein and white matter structural changes in Alzheimer's disease using fixel-based analysis
DOI: https://doi.org/10.58530/2024/3912
[2024] ComBat harmonization for multi-site fixel-based analysis using traveling subject dataset
DOI: https://doi.org/10.58530/2024/3002
[2024] Cross-Vendor Multiparametric Mapping of the Human Brain Using 3D-QALAS: A Multicenter & Multivendor Study
DOI: https://doi.org/10.58530/2024/0003
[2024] How chronic cortical hypoperfusion affects choroid plexus in patients with moyamoya disease?
DOI: https://doi.org/10.58530/2024/0035
[2024] Effects of Diffusion Time and Echo Time Changes of Diffusion MRI on Clinical Brain Neoplasm Diagnosis
DOI: https://doi.org/10.58530/2023/5373
[2024] Association between arterial stiffness and white matter integrity in older adults
DOI: https://doi.org/10.58530/2023/2788
[2024] Optimizing GPT-4 Turbo Diagnostic Accuracy in Neuroradiology through Prompt Engineering and Confidence Thresholds
DOI: https://doi.org/10.3390/diagnostics14141541
[2024] Three-dimensional simultaneous T1 and T2* relaxation times and quantitative susceptibility mapping at 3 T: A multicenter validation study
DOI: https://doi.org/10.1016/j.mri.2024.07.004
[2024] Deep Learning-based Hierarchical Brain Segmentation with Preliminary Analysis of the Repeatability and Reproducibility
DOI: https://doi.org/10.2463/mrms.mp.2023-0124
[2024] Preliminary study of substantia nigra analysis by tensorial feature extraction
DOI: https://doi.org/10.1007/s11548-024-03175-2
[2024] Synthesizing 4D Magnetic Resonance Angiography From 3D Time-of-Flight Using Deep Learning: A Feasibility Study
DOI: https://doi.org/10.7759/cureus.60803
[2024] Decreased diffusivity along the perivascular space and cerebral hemodynamic disturbance in adult moyamoya disease
DOI: https://doi.org/10.1177/0271678x241245492
[2024] Boosting substantia nigra segmentation from T2 weighted MRI via test-time normalization and distance-reweighted loss
DOI: https://doi.org/10.1117/12.3008521
[2024] The impact of large language models on radiology: a guide for radiologists on the latest innovations in AI
DOI: https://doi.org/10.1007/s11604-024-01552-0
[2024] Assessing interstitial fluid dynamics in type 2 diabetes mellitus and prediabetes cases through diffusion tensor imaging analysis along the perivascular space
DOI: https://doi.org/10.3389/fnagi.2024.1362457
[2024] Free water in gray matter linked to gut microbiota changes with decreased butyrate producers in Alzheimer's disease and mild cognitive impairment
DOI: https://doi.org/10.1016/j.nbd.2024.106464
[2024] Reduced Diffusivity along Perivascular Spaces on MR Imaging Associated with Younger Age of First Use and Cognitive Impairment in Recreational Marijuana Users
DOI: https://doi.org/10.3174/ajnr.a8215
[2024] Surface-based Analyses of Diffusional Kurtosis Imaging in Amyotrophic Lateral Sclerosis: Relationship with Onset Subtypes
DOI: https://doi.org/10.2463/mrms.mp.2023-0138
[2024] Diurnal variation of brain activity in the human suprachiasmatic nucleus
DOI: https://doi.org/10.1523/jneurosci.1730-23.2024
[2024] Free-water diffusion magnetic resonance imaging under selegiline treatment in Parkinson's disease
DOI: https://doi.org/10.1016/j.jns.2024.122883
[2024] Cross‐vendor multiparametric mapping of the human brain using <scp>3D‐QALAS</scp>: A multicenter and multivendor study
DOI: https://doi.org/10.1002/mrm.29939
[2024] The glymphatic system as a potential biomarker and therapeutic target in secondary progressive multiple sclerosis
DOI: https://doi.org/10.1016/j.msard.2024.105437
[2024] Harmonization of the multisite ALPS-index based on DTI-ALPS using the combined association test
DOI: https://doi.org/10.58530/2023/3245
[2024] Multiple insular-prefrontal pathways underlie perception to execution during response inhibition in humans
DOI: https://doi.org/10.1038/s41467-024-54564-9
[2024] Glymphatic System Efficiency, Choroid Plexus Volume, and Lateral Ventricle Volume Variations in Normal Individuals and Throughout the Progression of Alzheimer's Disease
DOI: https://doi.org/10.1002/alz.083874
[2024] Decreased Water Diffusivity Along the Perivascular Space in Older Adults With Poor Sleep Quality
DOI: https://doi.org/10.1002/jnr.70005
[2023] Glymphatic system impairment in sleep disruption: diffusion tensor image analysis along the perivascular space (DTI-ALPS)
DOI: https://doi.org/10.1007/s11604-023-01463-6
[2023] MPPCA denoising before GRAPPA reconstruction improves the precision of microscopic anisotropy in the gray matter
DOI: https://doi.org/10.58530/2022/4751
[2023] Fiber-specific white matter reductions in older adults with metabolic syndrome
DOI: https://doi.org/10.58530/2022/4180
[2023] Accuracy of skull stripping in a single-contrast convolutional neural network model using eight-contrast magnetic resonance images
DOI: https://doi.org/10.1007/s12194-023-00728-z
[2023] Alterations in ALPS index and choroid plexus volume after lumboperitoneal shunt in patients with idiopathic normal pressure hydrocephalus
DOI: https://doi.org/10.58530/2022/2942
[2023] Non-invasive MRI measures of glymphatic system activity associated with CSF-Aβ and FDG-PET uptakes in Alzheimer’s disease
DOI: https://doi.org/10.58530/2022/3589
[2023] Harmonization of Multi-Site DTI and NODDI Data Using the Combined Association Test [Proceedings of the 2022 Young Investigator Award]
DOI: https://doi.org/10.2463/jjmrm.2023-1791
[2023] Glymphatic system impairment in corticobasal syndrome: diffusion tensor image analysis along the perivascular space (DTI-ALPS)
DOI: https://doi.org/10.1007/s11604-023-01454-7
[2023] Neural plasticity in Parkinson’s disease: a neuroimaging perspective
DOI: https://doi.org/10.4103/1673-5374.386404
[2023] Midbrain atrophy in pathologically diagnosed Lewy body disease and clinically diagnosed Parkinson's disease
DOI: https://doi.org/10.1016/j.jns.2023.120821
[2023] Advancements in Diffusion MRI Tractography for Neurosurgery
DOI: https://doi.org/10.1097/rli.0000000000001015
[2023] Fiber‐Specific White Matter Alterations in Parkinson's Disease Patients with <scp><i>GBA</i></scp> Gene Mutations
DOI: https://doi.org/10.1002/mds.29578
[2023] Fiber-specific micro- and macroscopic white matter alterations in progressive supranuclear palsy and corticobasal syndrome
DOI: https://doi.org/10.1038/s41531-023-00565-2
[2023] Reduced neurite density index in the prefrontal cortex of adults with autism assessed using neurite orientation dispersion and density imaging
DOI: https://doi.org/10.3389/fneur.2023.1110883
[2023] MR fingerprinting and complex-valued neural network for quantification of brain amyloid burden
DOI: https://doi.org/10.58530/2022/0559
[2023] MR fingerprinting for liver tissue characterization in a single breath-hold scan: A histopathological correlation study
DOI: https://doi.org/10.58530/2022/4198
[2023] Time-dependent Diffusion in Extra-Axial Brain Tumors Investigated with Oscillating-gradient Spin-echo.
DOI: https://doi.org/10.58530/2022/4723
[2023] Microscopic Fractional Anisotropy Estimation of Spinal Cord in Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorder
DOI: https://doi.org/10.58530/2022/3011
[2023] Multi-vendor comparison of three-dimensional multi-parametric mapping of the human brain at 3T: A multi-center study
DOI: https://doi.org/10.58530/2022/0367
[2023] Harmonization of multi-site DTI and NODDI data using the combined association test
DOI: https://doi.org/10.58530/2022/3160
[2023] Glymphatic System Dysfunction in Myelin Oligodendrocyte Glycoprotein Immunoglobulin G Antibody–Associated Disorders: Association with Clinical Disability
DOI: https://doi.org/10.3174/ajnr.a8066
[2023] Functional connectivity in autism spectrum disorder evaluated using rs-fMRI and DKI
DOI: https://doi.org/10.1093/cercor/bhad451
[2023] Fixel-Based Analysis of White Matter Degeneration in Patients with Progressive Supranuclear Palsy and Corticobasal Syndrome
DOI: https://doi.org/10.58530/2022/2966
[2023] Noise reduction by multiple path neural network using Attention mechanisms with an emphasis on robustness against Errors: A pilot study on brain Diffusion-Weighted images
DOI: https://doi.org/10.1016/j.ejmp.2023.103176
[2023] MR Fingerprinting for Contrast Agent–free and Quantitative Characterization of Focal Liver Lesions
DOI: https://doi.org/10.1148/rycan.230036
[2023] Deep Learning‐Driven Transformation: A Novel Approach for Mitigating Batch Effects in Diffusion MRI Beyond Traditional Harmonization
DOI: https://doi.org/10.1002/jmri.29088

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AI 要約（直近 5 年の研究成果）

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研究成果（100 件）

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