Journal of Magnetic Resonance Imaging

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Prediction of High‐Risk Cytogenetic Status in Multiple Myeloma Based on Magnetic Resonance Imaging: Utility of Radiomics and Comparison of Machine Learning Methods
Journal of Magnetic Resonance Imaging - Tập 54 Số 4 - Trang 1303-1311 - 2021
Jianfang Liu, Piaoe Zeng, Wei Guo, Chunjie Wang, Yayuan Geng, Ning Lang, Huishu Yuan
BackgroundRadiomics has shown promising results in the diagnosis, efficacy, and prognostic assessments of multiple myeloma (MM). However, little evidence exists on the utility of radiomics in predicting a high‐risk cytogenetic (HRC) status in MM.PurposeTo develop and test a magnetic resonance ...... hiện toàn bộ
ADC‐derived spatial features can accurately classify adnexal lesions
Journal of Magnetic Resonance Imaging - Tập 47 Số 4 - Trang 1061-1071 - 2018
Anahita Fathi Kazerooni, Mahnaz Nabil, Hamidreza Haghighat Khah, Mohammadreza Alviri, Maryam Heidari‐Sooreshjaani, Masoumeh Gity, Mahrooz Malek, Hamidreza Saligheh Rad
BackgroundThe role of quantitative apparent diffusion coefficient (ADC) maps in differentiating adnexal masses is unresolved.Purpose/HypothesisTo propose an objective diagnostic method devised based on spatial features for predicting benignity/malignancy of adnexal masses in ADC maps....... hiện toàn bộ
Support vector machine for breast cancer classification using diffusion‐weighted MRI histogram features: Preliminary study
Journal of Magnetic Resonance Imaging - Tập 47 Số 5 - Trang 1205-1216 - 2018
Igor Vidić, Liv Egnell, Neil P. Jerome, Jose R. Teruel, Torill Eidhammer Sjøbakk, Agnes Østlie, Hans E. Fjøsne, Tone F. Bathen, Pål Erik Goa
BackgroundDiffusion‐weighted MRI (DWI) is currently one of the fastest developing MRI‐based techniques in oncology. Histogram properties from model fitting of DWI are useful features for differentiation of lesions, and classification can potentially be improved by machine learning.PurposeTo ev...... hiện toàn bộ
AnMRI‐Based Radiomic Nomogram for Discrimination Between Malignant and Benign Sinonasal Tumors
Journal of Magnetic Resonance Imaging - Tập 53 Số 1 - Trang 141-151 - 2021
Han Zhang, Hexiang Wang, Dapeng Hao, Yaqiong Ge, Guangyao Wan, Jun Zhang, Shunli Liu, Yu Zhang, Deguang Xu
BackgroundPreoperative discrimination between malignant and benign sinonasal tumors is important for treatment plan selection.PurposeTo build and validate a radiomic nomogram for preoperative discrimination between malignant and benign sinonasal tumors.... hiện toàn bộ
Ischemic heart disease: Assessment with gadolinium‐enhanced ultrafast MR imaging and dipyridamole stress
Journal of Magnetic Resonance Imaging - Tập 4 Số 3 - Trang 425-431 - 1994
A C Eichenberger, E Schuiki, V D Köchli, Franz W. Amann, Graeme C. McKinnon, Gustav K. von Schulthess
AbstractThe potential of magnetic resonance (MR) imaging for the detection of myocardial perfusion abnormalities in patients with coronary artery disease has not been fully explored. A feasibility study was conducted in 10 patients with a novel approach to determine whether myocardial ischemia can be assessed with MR imaging and dynamic first‐pass bolus tracking en...... hiện toàn bộ
Machine learning in preoperative glioma MRI: Survival associations by perfusion‐based support vector machine outperforms traditional MRI
Journal of Magnetic Resonance Imaging - Tập 40 Số 1 - Trang 47-54 - 2014
Kyrre E. Emblem, Paulina Due‐Tønnessen, John Hald, Atle Bjørnerud, Marco C. Pinho, David Scheie, Lothar R. Schad, Torstein R. Meling, Frank G. Zöllner
PurposeTo retrospectively evaluate the performance of an automatic support vector machine (SVM) routine in combination with perfusion‐based dynamic susceptibility contrast magnetic resonance imaging (DSC‐MRI) for preoperative survival associations in patients with gliomas and compare our results to traditional MRI.... hiện toàn bộ
Automatic glioma characterization from dynamic susceptibility contrast imaging: Brain tumor segmentation using knowledge‐based fuzzy clustering
Journal of Magnetic Resonance Imaging - Tập 30 Số 1 - Trang 1-10 - 2009
Kyrre E. Emblem, Bård Nedregaard, John Hald, Terje Nome, Paulina Due‐Tønnessen, Atle Bjørnerud
AbstractPurposeTo assess whether glioma volumes from knowledge‐based fuzzy c‐means (FCM) clustering of multiple MR image classes can provide similar diagnostic efficacy values as manually defined tumor volumes when characterizing gliomas from dynamic susceptibility contrast (DSC) imaging.M...... hiện toàn bộ
Diffusion tensor imaging: Concepts and applications
Journal of Magnetic Resonance Imaging - Tập 13 Số 4 - Trang 534-546 - 2001
Denis Le Bihan, Jean‐François Mangin, Cyril Poupon, Chris A. Clark, Sabina Pappatà, Nicolas Molko, Hugues Chabriat
AbstractThe success of diffusion magnetic resonance imaging (MRI) is deeply rooted in the powerful concept that during their random, diffusion‐driven displacements molecules probe tissue structure at a microscopic scale well beyond the usual image resolution. As diffusion is truly a three‐dimensional process, molecular mobility in tissues may be anisotropic, as in ...... hiện toàn bộ
Dynamic coronary MR angiography and first‐pass perfusion with intracoronary administration of contrast agent
Journal of Magnetic Resonance Imaging - Tập 16 Số 3 - Trang 311-319 - 2002
Nikolaos V. Tsekos, Pamela K. Woodard, Glenn Foster, Pavlos Moustakidis, Terry L. Sharp, Pilar Herrero, Robert J. Gropler
AbstractPurposeTo evaluate whether dynamic imaging of the coronary arteries can be performed with intracoronary infusion of low‐dose gadolinium (Gd)‐based contrast agent and assess the effect of long duration and multiple infusions on the image signal‐to‐noise ratio (SNR) and contrast‐to‐noise ratio (CNR).... hiện toàn bộ
Higher resolution cine imaging with compressed sensing for accelerated clinical left ventricular evaluation
Journal of Magnetic Resonance Imaging - Tập 45 Số 6 - Trang 1693-1699 - 2017
Aaron Lin, Wendy Strugnell, Robyn Riley, Benjamin Schmitt, Michael O Zenge, Michaela Schmidt, Norman Morris, Christian Hamilton‐Craig
PurposeTo assess the clinical feasibility of a compressed sensing cine magnetic resonance imaging (MRI) sequence of both high temporal and spatial resolution (CS_bSSFP) in comparison to a balanced steady‐state free precession cine (bSSFP) sequence for reliable quantification of left ventricular (LV) volumes and mass.... hiện toàn bộ
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