Structure-preserving Image-quality Enhancement for 3D Synthetic FLAIR Using a 3D U-Net with Content and Style Losses [0.03%]
基于三维U形网络和内容损失及样式损失的3D合成FLAIR像质保持增强结构磁共振成像研究
Satoru Kamio,Akifumi Hagiwara,Yujiro Otsuka et al.
Satoru Kamio et al.
Purpose: Synthetic MRI can generate multiple contrasts from a single acquisition, yet synthetic fluid-attenuated inversion recovery (FLAIR) generally shows lower quality than conventional FLAIR. We aimed to improve 3D syn...
Multimodal Quantitative Parameter Mapping Characterizes Low-dimensional Feature Organization and Tract-specific Signatures in White Matter [0.03%]
多模态定量参数图谱表征了白质中的低维特征组织和纤维束特异性签名
Emi Sato,Yuki Kanazawa,Masafumi Harada et al.
Emi Sato et al.
Purpose: To investigate relationships among relaxation, susceptibility, and diffusion parameters in healthy white matter (WM) and to characterize WM MRI feature organization using an integrative multimodal quantitative MR...
WCCAN: Windowed Cross-contrast Attention Network for Multi-contrast Brain MR Image Super-resolution [0.03%]
基于窗口交叉对比注意力网络的多对比度脑部磁共振超分辨率方法
Rania Saoudi,Djamel Eddine Boudechiche,Zoubeida Messali et al.
Rania Saoudi et al.
Purpose: Most existing multi-contrast MRI super-resolution (MCMSR) methods rely on spatial-domain fusion and global attention, overlooking explicit high-frequency (HF) priors while incurring high computational costs. This...
Usefulness of Adaptive Complex Signal Average Diffusion-weighted MR Imaging of the Abdomen [0.03%]
自适应复数信号平均扩散加权MRI在腹部的应用价值分析
Miwa Matsukuma,Masahiro Tanabe,Mayumi Higashi et al.
Miwa Matsukuma et al.
Purpose: To evaluate the clinical feasibility and quantitative performance of adaptive complex signal average (ACSA) diffusion-weighted imaging (DWI) in abdominal MRI and to compare ACSA DWI with conventional non-ACSA DWI...
MR Imaging of the Upper Urinary Tract: Techniques, Diagnostic Performance, and Imaging Biomarkers [0.03%]
上尿路磁共振成像:技术、诊断性能和影像生物标志物
Atsushi Nakamoto,Takashi Ota,Hideyuki Fukui et al.
Atsushi Nakamoto et al.
MRI has become an increasingly important modality for evaluating the upper urinary tract. Although CT urography remains the standard imaging modality for assessing hematuria, MRI offers distinct advantages, including superior soft-tissue co...
Development of a Dedicated Prostate Phantom for Technical Evaluation of Diffusion-weighted MR Imaging Sequences [0.03%]
一种用于评估弥散加权MRI序列技术的专用前列腺体模的开发研究
Kazunori Ohashi,Shigehiro Soh,Yoshiomi Sato et al.
Kazunori Ohashi et al.
This study aimed to demonstrate the technical feasibility of a dedicated prostate phantom for standardized qualitative evaluation of diffusion-weighted MRI sequences, focusing on signal-to-noise characteristics and image artifacts. A custom...
Relationship between Vascular Tortuosity Rate and Atherosclerotic Risk Factors in Patients with Carotid Artery Stenosis [0.03%]
血管扭曲率与颈动脉狭窄患者的动脉粥样硬化危险因素的相关性分析
Masanori Tsuji,Fujimaro Ishida,Yoichi Miura et al.
Masanori Tsuji et al.
Purpose: There is a significant association between carotid artery (CA) stenosis and atherosclerosis, with those patients often presenting with carotid tortuosity. However, the relationship between atherosclerotic risk fa...
CT- and MR Imaging-based Radiomics Approach to Differentiating Ovarian Mature and Immature Teratomas: Can MR Imaging-based Radiomics Predict the Histological Grade of Immature Teratomas? [0.03%]
基于影像组学的CT和MRI鉴别诊断卵巢成熟与不成熟畸胎瘤:MR影像组学能否预测不成熟畸胎瘤的组织学级别?
Takahide Maeda,Hiroki Kato,Tatsuro Furui et al.
Takahide Maeda et al.
Purpose: This study aimed to evaluate CT- and MRI-based radiomic features of ovarian mature and immature teratomas (MTs and ITs) and to investigate the differences between low- and high-grade ITs. ...
Impact of Free Water Correction on the Mean Diffusivity of Glioblastoma is Regional and b-value Dependent: A Retrospective Study on Open-source Datasets [0.03%]
基于开放式数据的回顾性研究:自由水校正对胶质母细胞瘤平均扩散度的影响具有区域性和b值依赖性
Shu Matsushita,Hiroyuki Tatekawa,Daisuke Horiuchi et al.
Shu Matsushita et al.
Purpose: To investigate the effects of free-water (FW) correction on mean diffusivity (MD) values in glioblastomas using diffusion tensor imaging (DTI) with different b-value settings. We also examined regional difference...
Measuring Brain Stiffness in Normal Adults According to Age and Sex Using Virtual MR Elastography: A Preliminary Study [0.03%]
基于年龄和性别的正常成人脑 stiffness 的虚拟磁共振弹性成像测量:初步研究
Jung Hyun Park,Miran Han,Miseon Yeon et al.
Jung Hyun Park et al.
Purpose: Assessing brain stiffness alterations associated with normal aging, sex-related differences, and regional variations is important from clinical perspective. The study aimed to investigate the changes in brain sti...