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Quantitative 1H Magnetic Resonance Imaging on Normal and Pathologic Rat Bones by Solid‐State 1H ZTE Sequence with Water and Fat Suppression Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-25 Víctor B. Kassey, Matthias Walle, Jonathan Egan, Diana Yeritsyan, Indeevar Beeram, Sharon P. Kassey, Yaotang Wu, Brian D. Snyder, Edward K. Rodriguez, Jerome L. Ackerman, Ara Nazarian
BackgroundOsteoporosis (OP) and osteomalacia (OM) are metabolic bone diseases characterized by mineral and matrix density changes. Quantitative bone matrix density differentiates OM from OP. MRI is a noninvasive and nonionizing imaging technique that can measure bone matrix density quantitatively in ex vivo and in vivo.PurposeTo demonstrate water + fat suppressed 1H MRI to compute bone matrix density
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Evaluation of Aortic Hemodynamics Using Four‐Dimensional Flow of Magnetic Resonance Imaging in Rabbits with Liver Fibrosis Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-23 Jiali Li, Yuansheng Li, Xin Lin, Cheng Lv, Xiaoyong Zhang, Jing Chen
BackgroundLiver fibrosis (LF) precipitates systemic hemodynamic alterations, however, its impact on the aorta remaining undefined.PurposeTo assess aorta hemodynamics changes during LF development in a rabbit model.Study TypeProspective, experimental.Animal ModelThirty 7‐month‐old male rabbits underwent bile duct ligation (BDL) to induce LF.Field Strength/SequenceBiweekly four‐dimensional (4D) flow
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Peritumoral MRI Radiomics Features Increase the Evaluation Efficiency for Response to Chemotherapy in Patients With Epithelial Ovarian Cancer Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-22 Yong'ai Li, Junming Jian, Huijie Ge, Xin Gao, Jinwei Qiang
BackgroundIt remains unclear whether extracting peritumoral volume (PTV) radiomics features are useful tools for evaluating response to chemotherapy of epithelial ovarian cancer (EOC).PurposeTo evaluate MRI radiomics signatures (RS) capturing subtle changes of PTV and their added evaluation performance to whole tumor volume (WTV) for response to chemotherapy in patients with EOC.Study TypeRetrospective
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Tissue Sodium Magnetic Resonance Imaging: Agreement and Repeatability of Manual Region of Interest Segmentation Methods Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-16 Kylie Martin, Steven T. Nguyen, Mark K. Tiong, Vijay Venkatraman, Patricia Robertson, Daniel Stäb, Sven‐Jean Tan, Timothy D. Hewitson, Nigel D. Toussaint
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MRI Investigation of the Association of Left Atrial and Left Atrial Appendage Hemodynamics with Silent Brain Infarction Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-16 Maurice Pradella, Justin J. Baraboo, Shyam Prabhakaran, Lihui Zhao, Tarek Hijaz, Erin N. McComb, Michelle J. Naidich, Susan R. Heckbert, Ilya M. Nasrallah, R. Nick Bryan, Rod S. Passman, Michael Markl, Philip Greenland
BackgroundLeft atrial (LA) myopathy is thought to be associated with silent brain infarctions (SBI) through changes in blood flow hemodynamics leading to thrombogenesis. 4D‐flow MRI enables in‐vivo hemodynamic quantification in the left atrium (LA) and LA appendage (LAA).PurposeTo determine whether LA and LAA hemodynamic and volumetric parameters are associated with SBI.Study TypeProspective observational
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Evaluation of 4D Flow MRI‐Derived Relative Residence Time as a Marker for Cirrhosis Associated Portal Vein Thrombosis Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-16 Ryota Hyodo, Yasuo Takehara, Yoji Ishizu, Kazuki Nishida, Takashi Mizuno, Kazushige Ichikawa, Ryota Horiguchi, Nobuhiko Kurata, Yasuhiro Ogura, Shinya Yokoyama, Shinji Naganawa, Ning Jin, Yoshito Ichiba
BackgroundPortal vein thrombosis (PVT) is thought to arise from stagnant blood flow, yet conclusive evidence is lacking. Relative residence time (RRT) assessed using 4D Flow MRI may offer insight into portal flow stagnation.PurposeTo explore the relationship between RRT values and the presence of PVT in cirrhotic participants.Study TypeProspective.PopulationForty‐eight participants with liver cirrhosis
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Altered Dynamics of Brain Spontaneous Activity and Functional Networks Associated With Cognitive Impairment in Patients With Type 2 Diabetes Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-16 Linqing Fu, Wen Zhang, Yan Bi, Xin Li, Xin Zhang, Xinyi Shen, Qian Li, Zhou Zhang, Sijue Yang, Congcong Yu, Zhengyang Zhu, Bing Zhang
BackgroundCognitive impairment is increasingly recognized as an important comorbidity and complication of type 2 diabetes (T2D), affecting patients' quality of life and diabetes management. Dynamic brain activity indicators can reflect changes in key neural activity patterns of cognition and behavior.PurposeTo investigate dynamic functional connectivity (DFC) changes and spontaneous brain activity
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Editorial for “Relative Mediastinal Displacement Index (RMDI): A Prenatal MRI Indicator of Adverse Events in Fetuses With Isolated Left Congenital Diaphragmatic Hernia” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-15 Nicolau Beckmann
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Editorial for “31P MR Spectroscopy in the Pancreas: Repeatability, Comparison With Liver, and Pilot Pancreatic Cancer Data” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-15 Paul E. Sijens
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31P MR Spectroscopy in the Pancreas: Repeatability, Comparison With Liver, and Pilot Pancreatic Cancer Data Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-15 Leonard W.F. Seelen, Lieke van den Wildenberg, Ayhan Gursan, Martijn Froeling, Mark W.J.M. Gosselink, Wybe J.M. van der Kemp, Nadia Haj Mohammad, I. Quintus Molenaar, Hjalmar C. van Santvoort, Dennis W.J. Klomp, Jeanine J. Prompers
BackgroundNon‐invasive evaluation of phosphomonoesters (PMEs) and phosphodiesters (PDEs) by 31‐phosphorus MR spectroscopy (31P MRS) may have potential for early therapy (non‐)response assessment in cancer. However, 31P MRS has not yet been applied to investigate the human pancreas in vivo.PurposeTo assess the technical feasibility and repeatability of 31P MR spectroscopic imaging (MRSI) of the pancreas
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Age‐ and Sex‐Specific MR‐Feature Tracking Reference Values of Right Atrial Deformation in Healthy Adults Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-15 Yiyuan Gao, Zhen Zhang, Lingnan Guo, Jingjing Shi, Fan Zhang, Yifan Guo, Ping Xiang, Shanshan Zhou, Jianan Xie, Gengxiao Li, Zhiwei Zhao, Maosheng Xu, Kuncheng Li, Gerald M. Pohost
BackgroundAlthough right atrial (RA) myocardial deformation has important implications for patient diagnosis, prognosis, and risk stratification, its implementation in clinical practice has been hampered by limited normal reference values, especially in Asian populations.PurposeTo establish age‐ and sex‐specific reference values for RA strain, strain rate (SR), and displacement based on a large sample
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Editorial for “Feasibility, Repeatability and Correlation to Lung Function of Phase‐Resolved Functional Lung (PREFUL) MRI‐Derived Pulmonary Artery Pulse Wave Velocity Measurements” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-15 Marrissa J. McIntosh, Sean B. Fain
Conflict of Interest Marrissa J. McIntosh has no conflicts. Sean B. Fain serves as a scientific advisor for Polarean LLC, and receives research funding from Polarean LLC, Siemens Healthineers Inc, and GE Healthcare Inc for development of pulmonary computed tomography and magnetic resonance imaging methods.
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Quantitative T2 Mapping of Acute Pancreatitis Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-14 Fabio Porões, Naïk Vietti Violi, Giulia Piazza, Emilie Uldry, Enrique Lázaro‐Fontanet, Sérgio Gaspar‐Figueiredo, Tom Hilbert, Jean‐Baptiste Ledoux, Alban Denys, Frédéric Schütz, Sabine Schmidt
BackgroundQuantification of the T2 signal by means of T2 mapping in acute pancreatitis (AP) has the potential to quantify the parenchymal edema. Quantitative T2 mapping may overcome the limitations of previously reported scoring systems for reliable assessment of AP.PurposeTo evaluate MR‐derived pancreatic T2 mapping values in AP and correlate them with markers of disease severity.Study TypeProspective
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Clinical Application of Radiomics in Oncology: Where Do We Stand? Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-13 Riccardo Pascuzzo, Silvio Ken Garattini, Fabio M. Doniselli
Over the past decade, the medical imaging literature has been revolutionized by radiomics, which allows to extract huge amounts of quantitative data from magnetic resonance images and other imaging modalities for a wide variety of diagnostic and prognostic purposes, particularly in oncology. Radiomics can capture imaging features of tumors that go beyond the conventional visual analysis and well correlate
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Fully Automated Identification of Lymph Node Metastases and Lymphovascular Invasion in Endometrial Cancer From Multi‐Parametric MRI by Deep Learning Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-13 Yida Wang, Wei Liu, Yuanyuan Lu, Rennan Ling, Wenjing Wang, Shengyong Li, Feiran Zhang, Yan Ning, Xiaojun Chen, Guang Yang, He Zhang
BackgroundEarly and accurate identification of lymphatic node metastasis (LNM) and lymphatic vascular space invasion (LVSI) for endometrial cancer (EC) patients is important for treatment design, but difficult on multi‐parametric MRI (mpMRI) images.PurposeTo develop a deep learning (DL) model to simultaneously identify of LNM and LVSI of EC from mpMRI images.Study TypeRetrospective.PopulationSix hundred
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Review of Hyperpolarized Pulmonary Functional 129Xe MR for Long‐COVID Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-11 Jim M. Wild, Fergus V. Gleeson, Sarah Svenningsen, James T. Grist, Laura C. Saunders, Guilhem J. Collier, Maksym Sharma, Sam Tcherner, Ali Mozaffaripour, Alexander M. Matheson, Grace Parraga
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Evaluating the Role of Leakage Correction of Hemodynamic Parameters derived from Dynamic Contrast Enhanced MRI for Glioma Grading Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-10 Dinil Sasi Sankaralayam, Anandh K. Ramaniharan, Rakesh Kumar Gupta, Rana Patir, Sunita Ahlawat, Sandeep Vaishya, Anup Singh
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Feasibility, Repeatability, and Correlation to Lung Function of Phase‐Resolved Functional Lung (PREFUL) MRI‐derived Pulmonary Artery Pulse Wave Velocity Measurements Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-09 Marius M. Wernz, Andreas Voskrebenzev, Robin A. Müller, Maximilian Zubke, Filip Klimeš, Julian Glandorf, Christoph Czerner, Frank Wacker, Karen M. Olsson, Marius M. Hoeper, Jens M. Hohlfeld, Jens Vogel‐Claussen
BackgroundPulse wave velocity (PWV) in the pulmonary arteries (PA) is a marker of vascular stiffening. Currently, only phase‐contrast (PC) MRI‐based options exist to measure PA‐PWV.PurposeTo test feasibility, repeatability, and correlation to clinical data of Phase‐Resolved Functional Lung (PREFUL) MRI‐based calculation of PA‐PWV.Study TypeRetrospective.Subjects79 (26 female) healthy subjects (age
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MRI‐Based Machine Learning Radiomics for Preoperative Assessment of Human Epidermal Growth Factor Receptor 2 Status in Urothelial Bladder Carcinoma Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-08 Ruixi Yu, Lingkai Cai, Yuxi Gong, Xueying Sun, Kai Li, Qiang Cao, Xiao Yang, Qiang Lu
BackgroundThe human epidermal growth factor receptor 2 (HER2) has recently emerged as hotspot in targeted therapy for urothelial bladder cancer (UBC). The HER2 status is mainly identified by immunohistochemistry (IHC), preoperative and noninvasive methods for determining HER2 status in UBC remain in searching.PurposesTo investigate whether radiomics features extracted from MRI using machine learning
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Editorial for “Coronary Microvascular Dysfunction and Diffuse Myocardial Fibrosis in Patients with Type 2 Diabetes Using Quantitative Perfusion MRI” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-08 Monique Bernard, Frank Kober
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Editorial for “Reference Values for Water‐Specific T1 of the Liver at 3T: T2*‐Compensation and the Confounding Effects of Fat” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-07 Jianqi Li
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A Comparative Study of Three Systems for Liver Magnetic Resonance Elastography Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-07 Runke Wang, Yikun Wang, Suhao Qiu, Shengyuan Ma, Fuhua Yan, Guang‐Zhong Yang, Ruokun Li, Yuan Feng
BackgroundDifferent MR elastography (MRE) systems may produce different stiffness measurements, making direct comparison difficult in multi‐center investigations.PurposeTo assess the repeatability and reproducibility of liver stiffness measured by three typical MRE systems.Study TypeProspective.Population/PhantomsThirty volunteers without liver disease history (20 males, aged 21–28)/5 gel phantoms
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Correction to: Detection of Volume Alterations in Hippocampal Subfields of Rats Under Chronic Unpredictable Mild Stress Using 7T MRI: A Follow‐Up Study Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-06
Li, Y, Zhu, X, Ju, S, Yan, J., Wang, D., Zhu, Y., Zang, F. Detection of volume alterations in hippocampal subfields of rats under chronic unpredictable mild stress using 7T MRI: A follow-up study. J Magn Reson Imaging 2017; 46(5): 1456–1463. https://doi.org/10.1002/jmri.25667. Figures 3 and 4 contain an inaccurate annotation of subregion and subgraph. The correct figures are shown below. FIGURE 3 FIGURE
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Quantifying Brain Myelin Water Fraction in a Guinea Pig Model of Spontaneous Intrauterine Growth Restriction Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-06 Simran Sethi, Lanette J. Friesen‐Waldner, Timothy R.H. Regnault, Charles A. McKenzie
BackgroundIntrauterine growth restriction (IUGR) is an obstetrical condition where a fetus has not achieved its genetic potential. A consequence of IUGR is a decrease in brain myelin content. Myelin water imaging (MWI) has been used to assess fetal myelin water fraction (MWF) and might potentially assess myelination changes associated with IUGR.PurposeTo quantify and compare the MWF of non‐IUGR and
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Adolescent Reference Values for MR‐Derived Biventricular Strain Obtained Using Feature‐Tracking and Myocardial Tagging Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-05 Carlos Real, Rocío Párraga, Ernesto González‐Calvo, Eva Gutiérrez‐Ortiz, Raquel Díaz‐Muñoz, Javier Sánchez‐González, María Beneito‐Durá, Jesús Martínez‐Gómez, Gonzalo Pizarro, Inés García‐Lunar, Rodrigo Fernández‐Jiménez
BackgroundMyocardial strain is a promising marker for the detection of early left or right ventricular (LV or RV) dysfunction in pediatric populations. The reference standard for MR strain measurement is myocardial tagging (MT); however, MT has limited clinical utility because the additional acquisitions needed are time‐consuming. In contrast, MR‐feature tracking (FT) allows strain quantification from
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Relative Mediastinal Displacement Index (RMDI): A Prenatal MRI Indicator of Adverse Events in Fetuses With Isolated Left Congenital Diaphragmatic Hernia Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-05 Fan Wu, Yonghao Chen, Xin Zhang, Yuchao Li, Zhaoji Chen, Zhenqing Liu, Wangchun Dai, Chaoxiang Yang, Hongsheng Liu
BackgroundExtracorporeal membrane oxygenation (ECMO), has partly improved congenital diaphragmatic hernia (CDH) outcomes, yet the overall morbidity and mortality remain high. Existing prenatal indicators for CDH fetuses are operator‐dependent, time‐consuming, or less accurate, a new simple and accurate indicator to indicate adverse events in CDH patients is needed.PurposeTo propose and assess the association
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Assessment of the Feasibility of Hyperpolarized [1‐13C]pyruvate Whole‐Abdomen MRI using D2O Solvation in Humans Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-05 Guannan Zhang, Kofi Deh, Hijin Park, Charles H. Cunningham, Nadia D. Bragagnolo, Serge Lyashchenko, Shake Ahmmed, Avigdor Leftin, Elizabeth Coffee, David Kelsen, Hedvig Hricak, Vesselin Miloushev, Marius Mayerhoefer, Kayvan R. Keshari
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Ferumoxytol‐Enhanced Cardiac Cine MRI Reconstruction Using a Variable‐Splitting Spatiotemporal Network Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-04 Chang Gao, Zhengyang Ming, Kim‐Lien Nguyen, Jianing Pang, Arash Bedayat, Brian M. Dale, Xiaodong Zhong, J. Paul Finn
BackgroundBalanced steady‐state free precession (bSSFP) imaging is commonly used in cardiac cine MRI but prone to image artifacts. Ferumoxytol‐enhanced (FE) gradient echo (GRE) has been proposed as an alternative. Utilizing the abundance of bSSFP images to develop a computationally efficient network that is applicable to FE GRE cine would benefit future network development.PurposeTo develop a variable‐splitting
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Editorial for “Diffusion‐Weighted MRI‐Based Virtual Elastography and Shear‐Wave Elastography for the Assessment of Breast Lesions” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-04 Belgin Karan
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Editorial for “Beta‐Catenin‐Mutated Hepatocellular Adenomas at Hepatobiliary Phase MRI: A Systematic Review and Meta‐Analysis” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-01 Sabine Schmidt, Christine Sempoux
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Editorial for “Clinical‐Radiologic Morphology‐Radiomics Model on Gadobenate Dimeglumine‐Enhanced MRI for Identification of Highly Aggressive Hepatocellular Carcinoma: Temporal Validation and Multiscanner Validation” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-01 Stefano Colagrande, Andrea Magnini, Lorenzo Cinci
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Multiyear Interval Changes in Aortic Wall Shear Stress in Patients with Bicuspid Aortic Valve Assessed by 4D Flow MRI Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-01 Anthony Maroun, Michael B. Scott, Roberta Catania, Haben Berhane, Kelly Jarvis, Bradley D. Allen, Alex J. Barker, Michael Markl
BackgroundIn patients with bicuspid aortic valve (BAV), 4D flow MRI can quantify regions exposed to abnormal aortic hemodynamics, including high wall shear stress (WSS), a known stimulus for arterial wall dysfunction. However, the long‐term multiscan reproducibility of 4D flow MRI‐derived hemodynamic parameters is unknown.PurposeTo investigate the long‐term stability of 4D flow MRI‐derived peak velocity
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Amide Proton Transfer‐Weighted MRI, Associations with Clinical Severity and Prognosis in Ischemic Strokes Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-03-01 Le Zhou, Wanqian Pan, Renjun Huang, Tianye Wang, Zifan Wei, Hui Wang, Yi Zhang, Yonggang Li
BackgroundThe National Institutes of Health Stroke Scale (NIHSS) and the modified Rankin scale (mRS) scores have important shortcomings. Amide proton transfer‐weighted (APTw) imaging might offer more valuable information in ischemic strokes assessment.PurposeTo utilize APTw, apparent diffusion coefficient (ADC), and computed tomography perfusion (CTP) for the assessment of clinical symptom severity
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Editorial for “Effect of Phase Encoding Direction on Image Quality in Single‐Shot EPI Diffusion‐Weighted Imaging of the Breast” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-29 Teresa Lemainque
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Effect of Phase Encoding Direction on Image Quality in Single‐Shot EPI Diffusion‐Weighted Imaging of the Breast Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-29 Ana E. Rodríguez‐Soto, Jingjing Zou, Stephane Loubrie, Sheida Ebrahimi, Stephan Jordan, Alexandra Schlein, Vivian Lim, Haydee Ojeda‐Fournier, Rebecca Rakow‐Penner
BackgroundIn breast diffusion‐weighted imaging (DWI), distortion and physiologic artifacts affect clinical interpretation. Image quality can be optimized by addressing the effect of phase encoding (PE) direction on these artifacts.PurposeTo compare distortion artifacts in breast DWI acquired with different PE directions and polarities, and to discuss their clinical implications.Study TypeProspective
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Editorial for “Deep Learning Radiomic Analysis of MRI Combined with Clinical Characteristics Diagnoses Placenta Accreta Spectrum and its Subtypes” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-28 Masako Kataoka, Yuki Himoto
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MRI Diagnosis of Coronary Artery Lesions in Children With Kawasaki Disease and Their Correlation With Inflammatory Factors Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-28 Juan Liang, Yurong Ma, Na Han, Kai Ai, Hui Zhang, Jing Zhang
BackgroundUltrasonography (US), as a routine examination for evaluating coronary artery lesions (CAL) in children with Kawasaki disease (KD), has strong subjectivity and limitations. Non‐contrast enhanced coronary magnetic resonance angiography (NCE‐CMRA) is sensitive and reliable in displaying the segments of coronary arteries (CA).PurposeTo evaluate the CA using NCE‐CMRA, to compare NCE‐CMRA with
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Editorial for “Multi‐Phase MRI‐Based Radiomics for Predicting Histological Grade of Hepatocellular Carcinoma” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-27 Arthur P. Wunderlich, Catharina Lisson, Michael Götz
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Editorial for “Altered Dynamics of Brain Spontaneous Activity and Functional Networks Associated with Cognitive Impairment in Patients with Type 2 Diabetes” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-27 Ali Khazaee, Abdolreza Mohammadi
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Editorial for “Associations of Intracranial Artery Length and Branch Number on Time‐of‐Flight MRA With Cognitive Impairment in Hypertensive Older Males” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-26 Ravikanth Balaji, Chandrasekharan Kesavadas
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Automated Quality Evaluation Index for Arterial Spin Labeling Derived Cerebral Blood Flow Maps Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-24 Sudipto Dolui, Ze Wang, Ronald L. Wolf, Ali Nabavizadeh, Long Xie, Duygu Tosun, Ilya M. Nasrallah, David A. Wolk, John A. Detre
Arterial spin labeling (ASL) derived cerebral blood flow (CBF) maps are prone to artifacts and noise that can degrade image quality.
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Editorial for “Reproducibility and Repeatability of Intravoxel Incoherent Motion MRI Acquisition Methods in Liver” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-24 Andreas Wetscherek
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Effects of Gadolinium Retention in the Brains of Type 2 Diabetic Rats after Repeated Administration of Gadolinium‐Based MRI Contrast Agents on Neurobiology and NLRP3 Inflammasome Activation Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-24 Xiang Yao, Haoran Zhang, Jingyi Hu, Xiaoning Lin, Jin Sun, Junlong Kang, Zhichun Huang, Guangsong Wang, Xinhua Tian, E. Chen, Ke Ren
BackgroundThe neurotoxic potential of gadolinium (Gd)‐based contrast agents (GBCAs) retention in the brains of patients with type 2 diabetes mellitus (T2DM) is unclear.PurposeTo determine the deposition and clearance of GBCAs in T2DM rats and the mechanism by which Gd enhances nucleotide‐binding oligomerization domain‐3 (NLRP3) inflammasome activation.Study TypeCross‐sectional, prospective.Animal Model104
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Editorial for “Cotyledon‐Specific Flow Evaluation of Rhesus Macaque Placental Injury Using Ferumoxytol Dynamic Contrast‐Enhanced MRI” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-23 Frank G. Zöllner, Maliha Sadick
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Deep Learning Radiomic Analysis of MRI Combined with Clinical Characteristics Diagnoses Placenta Accreta Spectrum and its Subtypes Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-23 Changye Zheng, Jian Zhong, Ya Wang, Kangyang Cao, Chang Zhang, Peiyan Yue, Xiaoyang Xu, Yang Yang, Qinghua Liu, Yujian Zou, Bingsheng Huang
BackgroundDifferent placenta accreta spectrum (PAS) subtypes pose varying surgical risks to the parturient. Machine learning model has the potential to diagnose PAS disorder.PurposeTo develop a cascaded deep semantic‐radiomic‐clinical (DRC) model for diagnosing PAS and its subtypes based on T2‐weighted MRI.Study TypeRetrospective.Population361 pregnant women (mean age: 33.10 ± 4.37 years), suspected
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Editorial for “Associations of Intracranial Artery Length and Branch Number on Time‐of‐Flight MRA With Cognitive Impairment in Hypertensive Older Males” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-23 Kelly Harper, Katja Pinker‐Domenig, Matthew D. F. McInnes
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Editorial for “Three‐Dimensional Multifrequency MR Elastography for Microvascular Invasion and Prognosis Assessment in Hepatocellular Carcinoma” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-23 Nuno Adubeiro, Rita G. Nunes, Maria Luísa Nogueira
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Improvements in Between‐Vendor MRI Harmonization of Renal T2 Mapping using Stimulated Echo Compensation Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-21 Hao Li, Alexander J. Daniel, Charlotte E. Buchanan, Fábio Nery, David M. Morris, Shaohang Li, Yuan Huang, João A. Sousa, Steven Sourbron, Iosif A. Mendichovszky, David L. Thomas, Andrew N. Priest, Susan T. Francis
BackgroundT2 mapping is valuable to evaluate pathophysiology in kidney disease. However, variations in T2 relaxation time measurements across MR scanners and vendors may occur requiring additional correction.PurposeTo harmonize renal T2 measurements between MR vendor platforms, and use an extended‐phase‐graph‐based fitting method (“StimFit”) to correct stimulated echoes and reduce between‐vendor variations
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Effects of 1.5–9.4 T High Static Magnetic Fields on Alcoholic Liver Disease in Mice Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Xinyu Wang, Chao Song, Chuanlin Feng, Guofeng Cheng, Junjun Wang, Lei Zhang, Wenjing Xie, Xiaoyuan Zhou, Hanxiao Chen, Biao Yu, Ying Wang, Xinmiao Ji, Hua Wang, Xin Zhang
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Cotyledon‐Specific Flow Evaluation of Rhesus Macaque Placental Injury Using Ferumoxytol Dynamic Contrast‐Enhanced MRI Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Ruiming Chen, Daniel Seiter, Logan T. Keding, Jessica Vazquez, Kathleen M. Antony, Heather A. Simmons, Puja Basu, Andres F. Mejia, Kevin M. Johnson, Aleksandar K. Stanic, Ruo‐Yu Liu, Dinesh M. Shah, Thaddeus G. Golos, Oliver Wieben
BackgroundRecently, dynamic contrast‐enhanced (DCE) MRI with ferumoxytol as contrast agent has recently been introduced for the noninvasive assessment of placental structure and function throughout. However, it has not been demonstrated under pathological conditions.PurposeTo measure cotyledon‐specific rhesus macaque maternal placental blood flow using ferumoxytol DCE MRI in a novel animal model for
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Editorial for “Effects of 1.5–9.4 T High Static Magnetic Fields on Alcoholic Liver Disease in Mice” Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Vitalii Zablotskii, Tatyana Polyakova
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Coronary Microvascular Dysfunction and Diffuse Myocardial Fibrosis in Patients With Type 2 Diabetes Using Quantitative Perfusion MRI Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Wenjin Zhao, Kang Li, Leting Tang, Jiamin Zhang, Hu Guo, Xiaoyue Zhou, Meichen Luo, Hongduan Liu, Rongrong Cui, Mu Zeng
BackgroundImaging techniques that quantitatively and automatically measure changes in the myocardial microcirculation in patients with diabetes are lacking.PurposeTo detect diabetic myocardial microvascular complications using a novel automatic quantitative perfusion MRI technique, and to explore the relationship between myocardial microcirculation dysfunction and fibrosis.Study TypeProspective.Subjects101
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Clinical‐Radiologic Morphology‐Radiomics Model on Gadobenate Dimeglumine‐Enhanced MRI for Identification of Highly Aggressive Hepatocellular Carcinoma: Temporal Validation and Multiscanner Validation Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Wanjing Zheng, Xiaodan Chen, Meilian Xiong, Yu Zhang, Yang Song, Dairong Cao
BackgroundHighly aggressive hepatocellular carcinoma (HCC) is characterized by high tumor recurrence and poor outcomes, but its definition and imaging characteristics have not been clearly described.PurposeTo develop and validate a fusion model on gadobenate dimeglumine‐enhanced MRI for identifying highly aggressive HCC.Study TypeRetrospective.Population341 patients (M/F = 294/47) with surgically resected
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Diffusion‐Weighted MRI‐Based Virtual Elastography and Shear‐Wave Elastography for the Assessment of Breast Lesions Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-20 Kun Sun, Ying Zhu, Weimin Chai, Hong Zhu, Caixia Fu, Weiwei Zhan, Fuhua Yan
BackgroundDiffusion‐weighted imaging (DWI)‐based virtual MR elastography (DWI‐vMRE) in the assessment of breast lesions is still in the research stage.PurposeTo investigate the usefulness of elasticity values on DWI‐vMRE in the evaluation of breast lesions, and the correlation with the values calculated from shear‐wave elastography (SWE).Study TypeProspective.Population/Subjects153 patients (mean age
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Editorial for “Pscore”: A Novel Percentile-Based Metric to Accurately Assess Individual Deviations in Non-Gaussian Distributions of Quantitative MRI Metrics Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-17 Koji Kamagata, Yuya Saito
Conflict of Interest The authors have no conflicts of interest to disclose.
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Prognostic Value of Segmental Strain After ST-Elevation Myocardial Infarction: Insights From the EARLY Assessment of MYOcardial Tissue Characteristics by Cardiac Magnetic Resonance (EARLY-MYO-CMR) Study Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-16 Jie He, Lingcong Kong, Dongaolei An, Binghua Chen, Chengxu Zhao, Zheng Li, Fan Yang, Jianxun Dong, Lai Wei, Peiren Shan, Yingmin Chen, Lianming Wu, Jianrong Xu, Heng Ge, Jun Pu
The prognostic value of left ventricular segmental strain (SS) in ST-elevation myocardial infarction (STEMI) remains unclear.
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Simultaneous Measurement of GABA, Glutathione, and Glutamate–Glutamine in the Thalamus using Edited MR Spectroscopy: Feasibility and Applications in Traumatic Brain Injury Magn. Reson. Imaging (IF 4.4) Pub Date : 2024-02-16 Xiao Liang, Muhammad G. Saleh, Su Xu, Dirk Mayer, Steven Roys, Prashant Raghavan, Neeraj Badjatia, Rao P. Gullapalli, Jiachen Zhuo
MR spectroscopy (MRS) is a noninvasive tool for evaluating biochemical alterations, such as glutamate (Glu)/gamma-aminobutyric acid (GABA) imbalance and depletion of antioxidative glutathione (GSH) after traumatic brain injury (TBI). Thalamus, a critical and vulnerable region post-TBI, is challenging for MRS acquisitions, necessitating optimization to simultaneously measure GABA/Glu and GSH.