3D Slicer as an image computing platform for the Quantitative Imaging Network.

abstract：:Magnetic resonance imaging (MRI) and localized proton MR spectroscopy (MRS) techniques have been applied for studying different maturation processes in the histochemistry of coconut (Cocos nucifera). Images of the tender and mature coconut are characterized by protons of the aqueous solution present in the cavity and ...

journal_title：Magnetic resonance imaging

authors： Jagannathan NR,Govindaraju V,Raghunathan P

更新日期：1995-01-01 00:00:00

abstract：:Gravity drainage characteristics are important to improve our understanding of gas-liquid or liquid-liquid two-phase flow in porous media. Stable or unstable displacement fronts that controlled by the capillary force, viscous force, gravitational force, etc., are relevant features of immiscible two-phase flow. In this...

journal_title：Magnetic resonance imaging

authors： Teng Y,Liu Y,Jiang L,Song Y,Zhao J,Zhang Y,Wang D

更新日期：2016-09-01 00:00:00

abstract：:Blood circulation is an important determinant of the biodistribution of superparamagnetic iron oxide nanoparticles. Here we present a magnetic resonance imaging (MRI) technique based on the use of ultrafast echo times (UTE) for the noninvasive determination of blood half-lives at high particle concentrations, when con...

journal_title：Magnetic resonance imaging

authors： Scharlach C,Warmuth C,Schellenberger E

更新日期：2015-11-01 00:00:00

abstract：:An understanding of the nucleation and growth mechanism of methane hydrate in porous space is essential for exploitation and application of hydrates, but the mechanism is yet to be clarified. Magnetic resonance imaging (MRI) was employed to visually analyze the spatial and temporal formation behavior of methane hydrat...

journal_title：Magnetic resonance imaging

authors： Zhang L,Sun L,Sun M,Lv X,Dong H,Miao Y,Yang L,Song Y,Zhao J

更新日期：2019-09-01 00:00:00

abstract：:Ten patients with biopsy-proved synovial sarcoma were evaluated by magnetic resonance (MR) imaging on a 1.5-T unit. The lesions showed intermediate signal intensity on T1-weighted images and heterogeneous high signal intensity on T2-weighted images. Tumors were well-demarcated from normal tissues. Additional informati...

journal_title：Magnetic resonance imaging

authors： Mahajan H,Lorigan JG,Shirkhoda A

更新日期：1989-03-01 00:00:00

abstract：:Surface modification of liposomes containing Gd-diethylenetriaminepentaacetyl-phosphatidylethanolamine (Gd-DTPA-PE) as an amphiphilic paramagnetic label influences their contrast properties as MRI agents. Liposomes with the mean diameter ca. 220 nm and 10% mol content of Gd-DTPA-PE were modified with dextran (molecula...

journal_title：Magnetic resonance imaging

authors： Trubetskoy VS,Cannillo JA,Milshtein A,Wolf GL,Torchilin VP

更新日期：1995-01-01 00:00:00

abstract：:Manganese (II) N,N'-dipyridoxylethylenediamine-N,N' diacetate 5,5'-bis(phosphate) (MnDPDP) is a hepatobiliary agent that is incorporated into the hepatocyte. We retrospectively reviewed our experience with 39 focal liver lesions in 20 patients studies with MnDPDP-enhanced hepatic magnetic resonance (MR) imaging to det...

journal_title：Magnetic resonance imaging

authors： Liou J,Lee JK,Borrello JA,Brown JJ

更新日期：1994-01-01 00:00:00

abstract：:Functional magnetic resonance imaging favors the use of multi-slice gradient-recalled echo-planar imaging due to its short image acquisition times, whole brain coverage and sensitivity to BOLD contrast. However, despite its advantages, gradient-recalled echo-planar imaging also is sensitive to static magnetic field gr...

journal_title：Magnetic resonance imaging

authors： Cordes D,Turski PA,Sorenson JA

更新日期：2000-11-01 00:00:00

abstract：OBJECTIVE:To develop and validate a large field of view phantom and quality assurance software tool for the assessment and characterization of geometric distortion in MRI scanners commissioned for radiation therapy planning. MATERIALS AND METHODS:A purpose built phantom was developed consisting of 357 rods (6mm in dia...

journal_title：Magnetic resonance imaging

authors： Torfeh T,Hammoud R,McGarry M,Al-Hammadi N,Perkins G

更新日期：2015-09-01 00:00:00

abstract：:Dynamic contrast-enhanced 2D MR imaging of the breast has shown high sensitivity and specificity for the detection and characterization of breast lesions. We investigated the ability of a dynamic fast 3D MR imaging technique that repeatedly scans the whole breast in 44-s intervals without an interscan delay time to ob...

journal_title：Magnetic resonance imaging

authors： Heiberg EV,Perman WH,Herrmann VM,Janney CG

更新日期：1996-01-01 00:00:00

abstract：:New applications of the NMR-MOUSE (mobile universal surface explorer) to non-destructive quality control of elastomers are reported. One example concern the thermal aging of fast clutches which was probed by measurements of 1H transverse relaxation time. Novel methodological developments show that 1H double-quantum fi...

journal_title：Magnetic resonance imaging

authors： Kühn H,Klein M,Wiesmath A,Demco DE,Blümich B,Kelm J,Gold PW

更新日期：2001-04-01 00:00:00

abstract：:High signal-to-noise ratios (SNR) are essential for high-resolution anatomical and functional MRI. Phased arrays are advantageous for this but have the drawback that they often have inflexible and bulky configurations. Particularly in experiments where functional MRI is combined with simultaneous electrophysiology, sp...

journal_title：Magnetic resonance imaging

authors： Goense J,Logothetis NK,Merkle H

更新日期：2010-10-01 00:00:00

abstract：:High density barium sulphate suspension was investigated as an oral contrast on MRI. On 30 consecutive subjects, the stomach (in all cases) and the two first portions of the duodenum (in 21 cases) were filled with the suspension. This oral contrast behaved as a negative contrast, being hypointense on all pulse sequenc...

journal_title：Magnetic resonance imaging

authors： Marti-Bonmati L,Vilar J,Paniagua JC,Talens A

更新日期：1991-01-01 00:00:00

abstract：:A new and simple method for precise determination of lateral opposed treatment portals was developed and used in 17 patients. Compared to CT, MRI led to significant changes of portals in 59% (10/17) of cases. Individual shielding blocks could be precisely designed by use of our new method. MRI is the procedure of choi...

journal_title：Magnetic resonance imaging

authors： Just M,Rösler HP,Higer HP,Kutzner J,Thelen M

更新日期：1991-01-01 00:00:00

abstract：:The present trend in dynamic contrast-enhanced MRI is to increase the number of estimated perfusion parameters using complex pharmacokinetic models. However, less attention is given to the precision analysis of the parameter estimates. In this paper, the distributed capillary adiabatic tissue homogeneity pharmacokinet...

journal_title：Magnetic resonance imaging

authors： Bartoš M,Jiřík R,Kratochvíla J,Standara M,Starčuk Z Jr,Taxt T

更新日期：2014-06-01 00:00:00

abstract：:Obstructive sleep apnea syndrome (OSAS) is caused by multi-level upper airway obstruction. Anatomic changes at the sites of obstruction may modify the physical or acoustic properties of snores. The surgical success of OSA depends upon precise localization of obstructed levels. We present a case of OSAS who received si...

journal_title：Magnetic resonance imaging

authors： Chen YJ,Shih TT,Chang YC,Hsu YC,Huon LK,Lo MT,Pham VT,Lin C,Wang PC

更新日期：2015-12-01 00:00:00

abstract：:We describe a lesion with the magnetic resonance imaging (MRI) characteristics of a glioblastoma mutiforme and demonstrate how perfusion MRI and proton MR spectroscopic imaging can be used to differentiate necrotizing cerebritis from what appeared to be a high-grade glioma. A 43-year-old woman presented to her physici...

journal_title：Magnetic resonance imaging

authors： Pivawer G,Law M,Zagzag D

更新日期：2007-02-01 00:00:00

abstract：PURPOSE:The purpose of this study was to assess relationships between intramuscular adipose tissue (IntraMAT) content determined by MRI and intramyocellular lipids (IMCL) and extramyocellular lipids (EMCL) determined by (1)H magnetic resonance spectroscopy ((1)H MRS) or echo intensity determined by B-mode ultrasonograp...

journal_title：Magnetic resonance imaging

authors： Akima H,Hioki M,Yoshiko A,Koike T,Sakakibara H,Takahashi H,Oshida Y

更新日期：2016-05-01 00:00:00

abstract：:Magnetic resonance microscopy of skin from hairless rats under the influence of electrical fields was conducted for two cases: 1) low voltage constant electrical fields and 2) high-voltage short pulse, electrical fields. Under conditions of the low voltage and low current iontophoresis, i.e., 0 to 20 V, and 0 to 0.5 m...

journal_title：Magnetic resonance imaging

authors： Caban JB,Moerland TS,Gibbs SJ,McFadden L,Locke BR

更新日期：1999-10-01 00:00:00

abstract：:Microscopic magnetic resonance elastography is a high-resolution method for visualizing shear waves and assessing the biomechanical viscoelastic properties of small biological samples. In this work, we used error propagation to develop a simple analytical model that relates the signal-to-noise ratio of MR magnitude im...

journal_title：Magnetic resonance imaging

authors： Othman SF,Zhou XJ,Xu H,Royston TJ,Magin RL

更新日期：2007-01-01 00:00:00

abstract：:The metabolism of 5-fluorouracil (5-FU) is complex and the reason for the low response rate of tumor patients to 5-FU is currently unknown. The aim of this study was to evaluate whether spectral parameters obtained noninvasively by in vivo 19F nuclear magnetic resonance (NMR) spectroscopy can be used to assess individ...

journal_title：Magnetic resonance imaging

authors： Schlemmer HP,Bachert P,Semmler W,Hohenberger P,Schlag P,Lorenz WJ,van Kaick G

更新日期：1994-01-01 00:00:00

abstract：:Traumatic brain injury (TBI) is one of the commonest causes of morbidity and mortality in the developed countries with posttraumatic epilepsy and functional disability being its major sequelae. The purpose of this study was to test the hypothesis whether the normal appearing adjacent gray and white matter regions on T...

journal_title：Magnetic resonance imaging

authors： Kumar R,Gupta RK,Rao SB,Chawla S,Husain M,Rathore RK

更新日期：2003-10-01 00:00:00

abstract：PURPOSE:To implement and evaluate the accuracy of non-invasive temperature mapping using MRI methods based on the chemical shift (CS) and T1 relaxation in media of various heterogeneity during focal (laser) and external thermal energy deposition. MATERIALS AND METHODS:All measurements were performed on a 1.5 T superco...

journal_title：Magnetic resonance imaging

authors： Bertsch F,Mattner J,Stehling MK,Müller-Lisse U,Peller M,Loeffler R,Weber J,Messmer K,Wilmanns W,Issels R,Reiser M

更新日期：1998-05-01 00:00:00

abstract：:A parametric method is proposed to examine the relationship between neuronal activity, measured with event related potentials (ERPs), and the hemodynamic response, observed with functional magnetic resonance imaging (fMRI), during an auditory oddball paradigm. After verifying that the amplitude of the evoked response ...

journal_title：Magnetic resonance imaging

authors： Horovitz SG,Skudlarski P,Gore JC

更新日期：2002-05-01 00:00:00

abstract：:One of the main problems with rapid magnetic resonance imaging (MRI) techniques is the artifacts that result from off-resonance effects. The proposed off-resonance frequency filtered MRI (OFF-MRI) method focuses on the elimination of off-resonance components from the image of the observed object. To maintain imaging s...

journal_title：Magnetic resonance imaging

authors： Medic J,Tomazic S

更新日期：2010-05-01 00:00:00

abstract：:The purpose of this study is to estimate the precision or statistical variability of the velocity measurements computed from MRI phase-contrast. From the analytical probability density function (PDF) of the phase in the signal we obtain the PDF of the velocity by means of an auto-convolution. This PDF allows the estim...

journal_title：Magnetic resonance imaging

authors： Irarrazaval P,Dehghan Firoozabadi A,Uribe S,Tejos C,Sing-Long C

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:The diagnosis and management of mild traumatic brain injury (MTBI) continue to be subjects of debate, with varying opinions regarding the extent to which tissue-based impairments versus the impacts of other stressors cause ongoing disability. Detecting areas of the brain with abnormalities that can explain s...

journal_title：Magnetic resonance imaging

authors： Kasahara K,Hashimoto K,Abo M,Senoo A

更新日期：2012-05-01 00:00:00

abstract：:Within the magnetic resonance imaging (MRI) community the trend is going to higher and higher magnetic fields, ranging from 1.5 T to 7 T, corresponding to Larmor frequencies of 63.8-298 MHz. Since for high-field MRI the magnetization increases with the applied magnetic field, the signal-to-noise-ratio increases as wel...

journal_title：Magnetic resonance imaging

authors： Hilschenz I,Körber R,Scheer HJ,Fedele T,Albrecht HH,Mario Cassará A,Hartwig S,Trahms L,Haase J,Burghoff M

更新日期：2013-02-01 00:00:00

abstract：:In this manuscript, fast and clinically feasible model-based bootstrapping algorithms using a geometrically constrained two-tensor diffusion model are employed for estimating uncertainty in fiber orientation. A Monte-Carlo-based tensor morphology voxel classification algorithm is initially applied using single-tensor ...

journal_title：Magnetic resonance imaging

authors： Ratnarajah N,Simmons A,Bertoni M,Hojjatoleslami A

更新日期：2013-02-01 00:00:00

abstract：:Percentage of lipid content of 22 adrenal cortex lesions and their water proton longitudinal relaxation time were measured in vitro at 60 MHz. Although water relaxation times obtained on benign and malignant samples overlap each other, measurements of the percentage of lipids performed on the same tissues allow us to ...

journal_title：Magnetic resonance imaging

authors： Leroy-Willig A,Roucayrol JC,Luton JP,Courtieu J,Niesenbaum N,Louvel A

更新日期：1987-01-01 00:00:00