نتایج جستجو برای: Dynamic Susceptibility Contrast Enhanced MRI

تعداد نتایج: 1285652  

2013
Matthias J.P. van Osch

Introduction Quantitative dynamic susceptibility contrast perfusion MRI (DSC-MRI) is based on the monitoring of the first passage of a bolus of contrast agent through the brain tissue and a brain-feeding artery. The contrast agent is injected rapidly by means of an MRinjector in the antecubital vein in the patients arm and a saline flush is used to push the contrast agent into the direction of ...

Journal: :iranian journal of radiology 0
seung hee han department of radiology, seoul st. mary’s hospital, college of medicine, the catholic university of korea, seoul, south korea yeong yi an department of radiology, st. vincent’s hospital, college of medicine, the catholic university of korea, seoul, south korea; department of radiology, st. vincent’s hospital, college of medicine, the catholic university of korea, seoul, south korea. tel: +82-312498495, fax: +82-312475713 bong joo kang department of radiology, seoul st. mary’s hospital, college of medicine, the catholic university of korea, seoul, south korea sung hun kim department of radiology, seoul st. mary’s hospital, college of medicine, the catholic university of korea, seoul, south korea eun jae lee department of radiology, seoul st. mary’s hospital, college of medicine, the catholic university of korea, seoul, south korea

background dynamic contrast-enhanced magnetic resonance imaging (dce - mri) has been widely used in the management of breast cancer, and its diagnostic value in breast imaging has been demonstrated. there have only been a few reports regarding the usefulness of pre-contrast imaging. knowledge about clinically significant findings of preoperative, pre-contrast t1 and t2 mr images will allow more...

Journal: :Physics in medicine and biology 2001
K Murase Y Yamazaki M Shinohara K Kawakami K Kikuchi H Miki T Mochizuki J Ikezoe

The purpose of this study was to present an application of a novel denoising technique for improving the accuracy of cerebral blood flow (CBF) images generated from dynamic susceptibility contrast-enhanced magnetic resonance imaging (DSC-MRI). The method presented in this study was based on anisotropic diffusion (AD). The usefulness of this method was firstly investigated using computer simulat...

Objective: Measurement of blood-brain permeability dysfunction in active and chronic MS lesions with T1-weighted dynamic contrast-enhanced MRI to show variation in inflammatory activity Background: blood-brain-barrier perfusion characterization impaired in MS as some studies have shown recently buta comparison between perfusion parameters in contrast-enhanced and non-enhanced lesions not have ...

Journal: :Stroke 2014
Abdul Ghani Mikati Huan Tan Robert Shenkar Luying Li Lingjiao Zhang Xiaodong Guo Henrik B W Larsson Changbin Shi Tian Liu Yi Wang Akash Shah Robert R Edelman Gregory Christoforidis Issam Awad

BACKGROUND AND PURPOSE Hyperpermeability and iron deposition are 2 central pathophysiological phenomena in human cerebral cavernous malformation (CCM) disease. Here, we used 2 novel MRI techniques to establish a relationship between these phenomena. METHODS Subjects with CCM disease (4 sporadic and 17 familial) underwent MRI imaging using the dynamic contrast-enhanced quantitative perfusion a...

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