[PDF] Top 20 Diffusion processes modeling in magnetic resonance imaging

... between diffusion- sensitizing gradients (Δ) can be adjusted through the G value while the b-factor and δ remain constant ...restricted diffusion increases by 140% ... See full document

... in the renal masses, which are both qualitatively and quantitatively assesed.In tumors which are highly cellular and which has higher density of cell membranes there is restricted motions of proton molecules.This ... See full document

... netic resonance imaging arising from the Brownian motion of the nuclei in a reservoir of infinite extent may be determined by simply writing the Langevin equation for the phase random variable and then ... See full document

... admission, magnetic resonance imaging (MRI) of his cervical spine demonstrated changes suggestive of edema from C3 to T2 levels with an intact spinal ...Repeat imaging per- formed eight days ... See full document

... MR imaging features between all ESS and T2-hyper- intense leiomyomas and between high-grade and low-grade ...on imaging features and interobserver variability were analyzed using weighted kappa statistics ... See full document

... magnetization diffusion term to the transverse magnetization in the Bloch equations, resulting in a partial differential equation, now called the Bloch-Torrey equation ...restricted diffusion in a confining ... See full document

... A correct diagnosis of ovarian thecoma/fibrothecoma is of great value owing to their benign nature. However, given the low incidence and complicated clinical and im- aging manifestations of the disease, accurate ... See full document

... The patients were scanned after fasting for 6 hours. After respiratory and breath training, the patients were required to hold their breath in the scanning process, and the patients were scanned in a dorsal position. DWI ... See full document

... Conclusion: DWI and ADC can better characterize focal hepatic lesions. DWI can be used as an additional sequence to the standard protocol study and not as a unique imaging series.Since there could be substantial ... See full document

... The diffusion data revealed that the CST in the ipsilesional hemisphere tended to have lower FA values and increased MD, which is consistent with previous studies of hemiplegic ... See full document

... Notwithstanding, Sasaki et al. [35], when comparing malignant neoplasms and benign lesion ADC values, also noticed that ADC values differ significantly between fungal sinusitis and other inflammatory lesions. This ... See full document

... They were divided into three group’s by scoring system: Child-pugh A (17 cases), Child-pugh B (14 cases) and Child-pugh C (9 cases). In addi- tion, at the same time, 25 cases of healthy vol- unteers in the same hospital ... See full document

... spinal imaging for several reasons, including the small size of the cord rela- tive to the brain and respiratory and cardiac motion ...spine diffusion imaging requires high spatial reso- lution, ... See full document

... tNAA diffusion to choose the optimal combination of experimental parameters within the limitations of experimental time ...different magnetic fields of 3T and 7T, using an almost identical ...as ... See full document

... Background. Diffusion-weighted magnetic resonance imaging (DW–MRI) has been employed in the diagnostics of malignant tumors of abdomen and pelvis relatively ...apparent diffusion ... See full document

... netic resonance spectroscopy (MRS) was performed at the time of the 6-hour scan, and single voxel proton MRS was performed at the follow-up scan 32 hours after the ...chemical-shift imaging with the PRESS ... See full document

... the imaging to confirm the sites of injury when the child ...repeat imaging, clinical investigation with ultrasound, cere- bral function monitoring, and neurologic examina- tion all were in keeping with the ... See full document

... For decades, MRS had been used as a value imaging tool to reveal the metabolism of brain tumor. The metabolic profiles of tumor recur- rence and radiation necrosis had been widely studied, but there was still no ... See full document

... keywords: imaging studies, voxel-based morphometry, diffusion-tensor imaging, diffusion magnetic resonance imaging, tractography, connectivity, cerebral networks, ... See full document

... of diffusion magnetic resonance imaging (MRI) allows researchers to virtually dissect white matter fiber pathways in the brain in ...on diffusion MRI, prior literature reports the ... See full document