contrast-enhanced MRI
Brain wide pathway for waste clearance captured by contrast enhanced MRI
... enhanced MRI, to visualize brain- wide CSF-ISF ...istration, contrast moves rapidly by bulk flow through para-arterial pathways to reach major influx nodes at the pituitary recess, the olfactory ...
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Inflow weighted pulmonary perfusion: comparison between dynamic contrast enhanced MRI versus perfusion scintigraphy in complex pulmonary circulation
... this study as the time where the normal lung parenchyma shows maximum signal intensity, which is often referred to as time-to-peak (Figure 1). One can see that if the integration upper bound is chosen to approach ...
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Quantifying Intracranial Plaque Permeability with Dynamic Contrast Enhanced MRI: A Pilot Study
... Recruited patients underwent high-resolution, vessel wall im- aging with 3T BBMRI of the intracranial vasculature. In addition, the ICAD stenosis was evaluated with DCE-MR imaging for the purpose of kinetic modeling of ...
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Gadoxetate-enhanced dynamic contrast-enhanced MRI for evaluation of liver function and liver fibrosis in preclinical trials
... before contrast agent injection. When the sixth phase ac- quisition was started, 0.05 mmol/kg body weight (0.015 mmol for rat with 300 mg body weight) of gadoxetic acid (Eovist or Primovist; Bayer Healthcare, ...
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The contribution of dynamic contrast enhanced mri in the diagnosis of breast cancer
... breast MRI based on cytological diagnosis proved to be: 95%, 66% and 86% and 97% ...respectively. MRI assessment of axillary lymphadenopathy wasn’t specific in our study with 61 % false positive cases ...
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The value of dynamic contrast–enhanced MRI in characterizing complex ovarian tumors
... Angiogenesis is the process of formation of new blood vessels from preexisting blood vessels, which is the funda- ment of the growth, progression, invasion, and metastasis of nearly all tumors [15]. The process of ...
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Dynamic contrast-enhanced MRI coupled with a subtraction technique is useful for treatment response evaluation of malignant melanoma hepatic metastasis
... characteristic MRI features, such as precontrast T1 hyperintensity, are highly specific features that justify the imaging ...our MRI-based approach could have caused selection bias by unintentionally ...
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Comparison of semi quantitative and quantitative dynamic contrast enhanced MRI evaluations of vertebral marrow perfusion in a rat osteoporosis model
... Our study has several limitations. First, the number of rats at each time point was relatively small, but it con- forms to the statistical regulation. Experimental errors may affect the results because of individual ...
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Comparison of the Diagnostic Accuracy of DSC and Dynamic Contrast Enhanced MRI in the Preoperative Grading of Astrocytomas
... nondynamic contrast-enhanced MR images to grade gliomas; 2) assessment of interreader reliability by using the statistic; 3) tests for differ- ences in hot spot DSC- and DCE-derived parameters, according ...
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A method for quantifying the absolute accuracy and precision of dynamic contrast enhanced MRI acquisition techniques
... Of critical importance to the truly quantitative operation of the phantom device, and a step which has been lacking in previously-proposed phantom designs [139, 140, 142, 150-152] , was to establish precisely-known ...
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The Utility of Diffusion Weighted Imaging and Dynamic Contrast Enhanced MRI Techniques in Differentiation Between Benign and Malignant Uterine Masses
... functional MRI technique, depends on Brownian motion of water molecules, with the signal intensity influenced by factors like number of cells, viscosity of intracellular and extracellular spaces, and tortuosity of ...
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Comparison between Dynamic Contrast-Enhanced MRI and Dynamic Susceptibility Contrast MRI in Glioma Grading
... higher in high grade glioma in 30 dynamic scans, but we did not find any significant differences between the tumor and contralateral NAWM and between tumor grades. We also demonstrated the tendency of higher values of ...
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Automatic Characterization of Myocardial Perfusion in Contrast Enhanced MRI
... All exams are a set of Gd-DTPA contrast-enhanced cine car- diac MRI acquired by using a GE Signa Horizon LX system 1.5T. A cardiac array coil (4-elements-phased array) has been used as a radio ...
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The utility of gadoteric acid in contrast-enhanced MRI: a review
... Multiparametric MRI has emerged as a safe, robust, and fairly reliable technique for the assessment of various pan- creatic diseases. Major clinical indications for MR examina- tions of the pancreas include acute ...
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Shutter-speed dynamic contrast-enhanced MRI: is it fit for purpose?
... plasma contrast agent concentration-time curves using bookend estimates of blood T1 obtained before contrast agent administration and during the slow wash-out [15], measured hematocrit and an assumed ...
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Contrast Enhanced Cardiac MRI Findings Of Myocardial Infarction In Different Infarction Duration
... study contrast enhanced MRI criteria of acute, subacute and chronic MI , and to evaluate the ability of MRI to differentiate between ...c MRI using magnetom Sonata ...post ...
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Quantitative Assessment of Tumor Responses after Radiation Therapy in a DLD 1 Colon Cancer Mouse Model Using Serial Dynamic Contrast Enhanced Magnetic Resonance Imaging
... used dynamic contrast enhanced MRI with Tofts two com- partment model over one minute. Our results might support the hypothesis that the permeable vasculature may provide better oxygenation and ...
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Analysis of multiparametric MRI data in prostatic carcinoma- PI-RADS and correlation with gleason score in a 3T MRI
... Dynamic contrast enhanced MRI (DCE) gives information regarding the tumour angiogenesis and is a non -invasive technique. In comparison to normal prostate gland, DCE images in prostate cancers show ...
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Dyke-Davidoff-Masson syndrome: case report of fetal unilateral ventriculomegaly and hypoplastic left middle cerebral artery
... brain MRI and contrast enhanced-MRI angiography, showed cerebral left hemiatrophy associated with reduced caliber of the left middle cerebral artery revealing the characteristic findings of ...
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Current and emerging quantitative magnetic resonance imaging methods for assessing and predicting the response of breast cancer to neoadjuvant therapy
... Quantitative MRI techniques already available for assessing breast cancer response to neoadjuvant therapy include lesion size measurement, dynamic contrast-enhanced MRI, diffusion-weighted ...
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