Results 41 to 50 of about 4,576 (213)

Bayesian intravoxel incoherent motion parameter mapping in the human heart

Journal of Cardiovascular Magnetic Resonance, 2017
Background Intravoxel incoherent motion (IVIM) imaging of diffusion and perfusion in the heart suffers from high parameter estimation error. The purpose of this work is to improve cardiac IVIM parameter mapping using Bayesian inference.
Georg R. Spinner, Constantin von Deuster, Kerem C. Tezcan, Christian T. Stoeck, Sebastian Kozerke   +4 more
doaj   +1 more source

Application of MR Cytometry in Predicting Pathologic Complete Response to Neoadjuvant Chemotherapy in Breast Cancer: A Comparative Study

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background MR cytometry imaging is developed to characterize in vivo microstructures. Its clinical value in predicting pathological complete response (pCR) after neoadjuvant chemotherapy (NAC) for breast cancer remains unknown. Purpose To implement MR cytometry to predict pCR for breast cancer and compare the performance of different ...
Jie Ding, Diwei Shi, Shiyun Sun, Jinlong Zheng, Wentao Yang, Caixia Fu, Dazhi Chen, Junzhong Xu, Hua Guo, Chao You, Yajia Gu   +10 more
wiley   +1 more source

IVIM flow maps.

, 2015
(A) In-plane high-resolution (1.2x1.2 mm) maps of the blood flow related IVIM parameter fD*, in 5 consecutive measurements in a single volunteer. An increase in perfusion in the activated primary visual cortex is observed during stimulation compared to ...
Kieran O’Brien (452383), Reto Meuli (30299), Christian Federau (452382), Philippe Maeder (105887), Patric Hagmann (30294), Adrien Birbaumer (688757)   +5 more
core   +1 more source

Estimation of intravoxel incoherent motion parameters using low b-values.

PLoS ONE, 2019
Intravoxel incoherent motion (IVIM) imaging is a magnetic resonance imaging (MRI) technique widely used in clinical applications for various organs. However, IVIM imaging at low b-values is a persistent problem.
Chen Ye, Daoyun Xu, Yongbin Qin, Lihui Wang, Rongpin Wang, Wuchao Li, Zixiang Kuai, Yuemin Zhu   +7 more
doaj   +1 more source

Prognostic Value of Combined FDG PET and MRI Analysis of Cervical Cancer: A Systematic Review and Meta‐Analysis

Journal of Medical Radiation Sciences, EarlyView.
This systematic review and meta‐analysis synthesised FDG PET/MRWE biomarkers in cervical cancer, including a pooled analysis of the association between metabolic activity (SUV‐based metrics) and tumour diffusion characteristics (ADC measures). Prognostic evidence from the included studies was also analysed to identify PET‐ and MRI‐based parameters, as ...
William Wei, Dominic Ku, Natalie Rutherford   +2 more
wiley   +1 more source

The Feasibility of Using Tri-Exponential Intra-Voxel Incoherent Motion DWI for Identifying the Microvascular Invasion in Hepatocellular Carcinoma

Journal of Hepatocellular Carcinoma, 2023
Yunfei Zhang,1,2,* Ruofan Sheng,1,2,* Chun Yang,2 Yongming Dai,3 Mengsu Zeng1,2 1Shanghai Institute of Medical Imaging, Fudan University, Shanghai, 200032, People’s Republic of China; 2Department of Radiology, Zhongshan Hospital, Fudan University,
Zhang Y, Sheng R, Yang C, Dai Y, Zeng M
doaj  

Optimizing IMPULSED Acquisition Protocols for Clinical 3T Scanners Through Bayesian Experimental Design

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To optimize diffusion MRI acquisition protocols for Imaging Microstructural Parameters Using Limited Spectrally Edited Diffusion (IMPULSED) model at clinical 3T scanner using Bayesian experimental design, enabling accurate cellular‐scale parameter estimation under realistic scan time and scanner hardware constraints.
Yan Dai, Xun Jia, Todd Aguilera, Kai Jiang, Arely Perez Rodriguez, Isabelle Vanhaezebrouck, Jie Deng   +6 more
wiley   +1 more source

IVIM flow subtraction maps.

, 2015
Maps of the difference in blood flow related IVIM parameter fD*, in all volunteers (except the one already shown in Fig. 2), as obtained by subtracting the averaged flow maps obtained under baseline to the averaged maps obtained under visual stimulation.
Kieran O’Brien (452383), Reto Meuli (30299), Christian Federau (452382), Philippe Maeder (105887), Patric Hagmann (30294), Adrien Birbaumer (688757)   +5 more
core   +1 more source

Skin-derived G-CSF activates pathological granulopoiesis upon psoriasis

EMBO Molecular Medicine
Psoriasis is an inflammatory skin disease initiated by environmental triggers and driven by disruption of T cell cytokine network in the cutaneous milieu.
Tomson Kosasih, Tatsuya Morishima, Sohyeon Lee, Jungyeon Yoon, Kanako Wakahashi, Pilhan Kim, Aiko Sada, Hitoshi Takizawa   +7 more
doaj   +1 more source

Physics-Informed Deep Learning–Empowered Hybrid IVIM–DKI Using Four Nonzero b-Values for preoperative Identification of Microvascular Invasion in Hepatocellular Carcinoma

Meta-Radiology
Purpose: Intravoxel incoherent motion (IVIM) and diffusion kurtosis imaging (DKI) are well-established diffusion-weighted imaging (DWI) techniques, but both typically require multi–b-value acquisitions and computationally expensive parameter estimation ...
Yunfei Zhang, Jiejun Chen, Xianling Qian, Mengsu Zeng   +3 more
doaj   +1 more source