Results 71 to 80 of about 455,909 (199)

Comparison between Dynamic Contrast-Enhanced MRI and Dynamic Susceptibility Contrast MRI in Glioma Grading

Siriraj Medical Journal, 2017
Objective: To determine the usefulness of the dynamic contrast enhanced MRI (DCE-MRI) technique for differentiating between low grade glioma and high grade glioma and compare with dynamic susceptibility contrast (DSC) MRI.
Siriwan Piyapittayanan, Chomsiri Segsarnviriya, Chanon Ngamsombat, Theerapol Witthiwej, Pornsuk Cheunsuchon, Orasa Chawalparit   +5 more
doaj   +3 more sources

Development of a Nomogram‐Based Clinical Estimation Model for Pathological Upstaging in Patients With Preoperative Ductal Carcinoma In Situ

The Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Preoperative diagnosis of ductal carcinoma in situ (DCIS) may be followed by pathological upstaging to invasive ductal carcinoma (IDC) upon surgical excision, a discrepancy that significantly impacts surgical planning and decisions regarding sentinel lymph node biopsy (SLNB).
Yu‐Hua Chen, Chung‐Liang Li, Ping‐Fu Yang, Hui‐Hua Hsiao, Fang‐Ming Chen, Sin‐Hua Moi   +5 more
wiley   +1 more source

Non‐Rigid Motion‐Compensated MR Multitasking for Free‐Breathing Low‐Dose Dynamic Contrast‐Enhanced MRI in the Abdomen

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To improve free‐breathing low‐dose quantitative dynamic contrast‐enhanced (DCE) MRI for imaging pancreatic ductal adenocarcinoma. Methods We introduced non‐rigid (NR) motion compensation (MoCo) into MR Multitasking using a novel “in‐subspace” formulation that directly applies motion fields to spatial feature maps (eigenimages ...
Lingceng Ma, Chaowei Wu, Lixia Wang, Hsu‐Lei Lee, Junzhou Chen, Zheyuan Hu, Yibin Xie, Stephen J. Pandol, Srinivas Gaddam, Debiao Li, Anthony G. Christodoulou   +10 more
wiley   +1 more source

The Impact of Water Exchange on Estimates of Myocardial Blood Flow and Extracellular Volume Fraction Using Dynamic Contrast‐Enhanced MRI in Patients Treated for Severe Aortic Stenosis

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To investigate the impact of intra/extracellular water exchange (WX) on quantitative dynamic contrast‐enhanced (DCE) MRI in patients with severe aortic stenosis (AS). The aims were to compare low‐dose (WX insensitive) and high‐dose (WX sensitive) DCE‐MRI measurements, and to compare data acquired before and after aortic valve ...
Alex Makins, John D. Biglands, Noor Sharrack, Peter Kellman, Sven Plein, David L. Buckley   +5 more
wiley   +1 more source

Early-phase semi-quantitative analysis versus full time-course quantitative modeling of ultrafast dynamic contrast-enhanced MRI for breast cancer diagnosis, molecular subtyping, and treatment response prediction

Insights into Imaging
Objectives To evaluate the performance of semi-quantitative analysis versus quantitative pharmacokinetic analysis applied to ultrafast dynamic contrast-enhanced (UF-DCE) MRI in: (1) differentiating benign from malignant breast lesions, (2) molecular ...
Ying Cao, Xueqin Gong, Yao Huang, Huifang Chen, Jie Fang, Lu Wang, Lan Li, Sun Tang, Ting Yin, Xiaoxia Wang, Jiuquan Zhang   +10 more
doaj   +1 more source

Translation of dynamic contrast-enhanced imaging onto a magnetic resonance-guided linear accelerator in patients with head and neck cancer

Physics and Imaging in Radiation Oncology
Background and purpose: Magnetic resonance imaging – linear accelerator (MRI-linac) systems permit imaging of tumours to guide treatment. Dynamic contrast enhanced (DCE)-MRI allows investigation of tumour perfusion.
Michael J. Dubec, Michael Berks, James Price, Lisa McDaid, John Gaffney, Ross A. Little, Susan Cheung, Marcel van Herk, Ananya Choudhury, Julian C. Matthews, Andrew McPartlin, Geoff J.M. Parker, David L. Buckley, James P.B. O’Connor   +13 more
doaj   +1 more source

Accelerated Motion‐Compensated Diffusion‐Weighted pCASL Using Subspace Low‐Rank Reconstruction for Quantification of BBB Water Exchange and Permeability

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop an accelerated motion‐compensated diffusion‐weighted pseudo‐continuous arterial spin labeling (MCDW‐pCASL) method using a spatial subspace low‐rank reconstruction method for efficient quantification of blood–brain barrier (BBB) water exchange (kw) and permeability (PSw).
Zixuan Liu, Chenyang Zhao, Ziyang Huang, Fanhua Guo, Danny J. J. Wang, Xingfeng Shao   +5 more
wiley   +1 more source

MUGI-MRI: Enhancing Breast Cancer Classification through Multiplex Graph Neural Networks in DCE-MRI [PDF]

—Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) involves acquiring a sequence of MRIs during the administration of a contrast agent. Radiologists then aim to discern the contrast uptake differences between malignant and benign lesions for
Prinzi F., Holden S. B., Lio P., Vitabile S., Ceccarelli F.   +4 more
core   +3 more sources

Spatially regularized estimation for the analysis of DCE-MRI data [PDF]

, 2012
Competing compartment models of different complexities have been used for the quantitative analysis of Dynamic Contrast-Enhanced Magnetic Resonance Imaging data.
Gertheiss, Jan, Schmid, Volker J., Sommer, Julia C.   +2 more
core   +1 more source

Diagnosis of Portal Hypertension: Advancing Towards Non‐Invasive Solutions

Portal Hypertension &Cirrhosis, EarlyView.
This review systematically summarizes a full spectrum of non‐invasive diagnostic approaches for portal hypertension (PH), including imaging modalities, elastography, serum biomarkers, composite scoring systems and endoscopic ultrasound‐guided portal pressure gradient (EUS‐PPG), and analyzes their performance across different liver disease etiologies ...
Lijia Yin, Huikuan Chu, Ling Yang
wiley   +1 more source