Zobrazeno 1 - 10
of 1 493
pro vyhledávání: '"IVIM"'
Autor:
Esha Baidya Kayal, Shuvadeep Ganguly, Devasenathipathy Kandasamy, Kedar Khare, Raju Sharma, Sameer Bakhshi, Amit Mehndiratta
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Objective was to assess the precision and reproducibility of spatial penalty-based intravoxel incoherent motion (IVIM) methods in comparison to the conventional bi-exponential (BE) model-based IVIM methods. IVIM-MRI (11 b-values; 0–800 s/m
Externí odkaz:
https://doaj.org/article/4228047aed044d1eb542ba641a26ffd7
Publikováno v:
The Egyptian Journal of Radiology and Nuclear Medicine, Vol 55, Iss 1, Pp 1-10 (2024)
Abstract Background Renal cell carcinoma is the most fatal form of renal tumors, representing about ninety percent of all renal cancers. There are different variations in prognosis among various histological types of RCC. In recent years, there has b
Externí odkaz:
https://doaj.org/article/46007803d7174495982e173769024606
Publikováno v:
BMC Medical Imaging, Vol 24, Iss 1, Pp 1-10 (2024)
Abstract Background Osteoporosis (OP) is a common chronic metabolic bone disease characterized by decreased bone mineral content and microstructural damage, leading to increased fracture risk. Traditional methods for measuring bone density have limit
Externí odkaz:
https://doaj.org/article/773e3ebf2fd8489cb98bde5a2311d74f
Publikováno v:
Frontiers in Oncology, Vol 14 (2024)
ObjectivesTo evaluate the diagnostic accuracy of monoexponential, biexponential and stretched-exponential diffusion-weighted imaging (DWI) models in the grading of clear cell renal cell carcinoma (ccRCC).Materials and MethodsFifty-one patients with p
Externí odkaz:
https://doaj.org/article/3cf7f93419ae4d2fbf57a65573782ca8
Publikováno v:
Frontiers in Physiology, Vol 15 (2024)
Adaptations in muscle physiology due to long-term physical training have been monitored using various methods: ranging from invasive techniques, such as biopsy, to less invasive approaches, such as electromyography (EMG), to various quantitative magn
Externí odkaz:
https://doaj.org/article/95f91f37434649ca9878b6b95c852454
Autor:
Tamara Alice Bäuchle, Christoph Martin Stuprich, Martin Loh, Armin Michael Nagel, Michael Uder, Frederik Bernd Laun
Publikováno v:
Tomography, Vol 10, Iss 5, Pp 773-788 (2024)
Background: The purpose of this study was to investigate the dependence of Intravoxel Incoherent Motion (IVIM) parameters measured in the human calf on B0. Methods: Diffusion-weighted image data of eight healthy volunteers were acquired using five b-
Externí odkaz:
https://doaj.org/article/2721faa250444929a1acba1104ba04e5
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 14, Iss 2, Pp 141-150 (2024)
Background: The intravoxel Incoherent Motion (IVIM) model extracts perfusion map and diffusion coefficient map using diffusion-weighted imaging. The main limitation of this model is inaccuracy in the presence of noise.Objective: This study aims to im
Externí odkaz:
https://doaj.org/article/faa318deb7f34ea8a50034d386279610
Autor:
Lingtao Zhang, Xukai Mo, Zijie Jiang, Wenfeng Mai, Haiwei Su, Zhihua Zhang, Kunlin Ye, Dandan Fu, Shuangquan Zhao, Changzheng Shi
Publikováno v:
Renal Failure, Vol 46, Iss 2 (2024)
Objectives Most functional magnetic resonance research has primarily examined alterations in the affected kidney, often neglecting the contralateral kidney. Our study aims to investigate whether imaging parameters accurately depict changes in both th
Externí odkaz:
https://doaj.org/article/fb7220e6435841bead0a0e1159a3f512
Autor:
Derk J. Slotman, Lambertus W. Bartels, Ingrid M. Nijholt, Martijn Froeling, Judith A. F. Huirne, Chrit T.W Moonen, Martijn F. Boomsma
Publikováno v:
International Journal of Hyperthermia, Vol 41, Iss 1 (2024)
AbstractBackground A method for periprocedural contrast agent-free visualization of uterine fibroid perfusion could potentially shorten magnetic resonance-guided high intensity focused ultrasound (MR-HIFU) treatment times and improve outcomes. Our go
Externí odkaz:
https://doaj.org/article/f68004aaa03746dcae3b634649cba3bb
Autor:
Nienke D. Sijtsema, Iris Lauwers, Gerda M. Verduijn, Mischa S. Hoogeman, Dirk H.J. Poot, Juan A. Hernandez-Tamames, Aad van der Lugt, Marta E. Capala, Steven F. Petit
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 30, Iss , Pp 100574- (2024)
Background and purpose: Diffusion-weighted imaging (DWI) is a promising technique for response assessment in head-and-neck cancer. Recently, we optimized Non-Gaussian Intravoxel Incoherent Motion Imaging (NG-IVIM), an extension of the conventional ap
Externí odkaz:
https://doaj.org/article/430d9008a2cd4c1d872e871af7dea3b2