Intravascular contrast agentT2*relaxivity in brain tissue
نویسندگان
چکیده
منابع مشابه
Can Contrast Extravasation be Separated from Intravascular Recirculation in DSC MRI of The Brain?
Introduction In dynamic susceptibility contrast (DSC) MRI, the concentration time curves commonly do not return to baseline after the first pass. In normal brain tissues with intact blood-brain barrier (BBB), the elevated concentration during the recirculation phase could be caused by the intravascular contrast agents. However, when the BBB is disrupted, as the case with brain tumor, both the i...
متن کاملOptimizing brain tissue contrast with EPI: a simulated annealing approach.
A new magnetization preparation and image acquisition scheme was developed to obtain high-resolution brain images with optimal tissue contrast. The pulse sequence was derived from an optimization process using simulated annealing, without prior assumptions with regard to the number of radiofrequency (RF) pulses and flip angles. The resulting scheme combined two inversion pulses with the acquisi...
متن کامل3T intravascular MRI, IVUS and OCT: A study in contrast.
Audience: Interventional radiologists and clinicians interested in intravascular imaging. Purpose: To compare, head-to-head, the performance of three intravascular (IV) imaging modalities—Ultrasound (IVUS), optical coherence tomography (OCT) and 3T MRI—for studying atherosclerotic and stented vessels. Atherosclerosis is marked by lesions which, with high extracellular lipid and thin fibrous cap...
متن کاملW1: Neural Tissue Engineering Strategies in Traumatic Brain Injury Therapies
لطفاً به چکیده انگلیسی مراجعه شود.
متن کاملZero Contrast Coronary Intervention Using Intravascular Ultrasound Guidance in a Patient with Allergy to Contrast Medium.
The occurrence of allergy to iodinated contrast in certain patients may prevent the use of percutaneous coronary intervention (PCI) in such cases. We present a 53-year-old male with a history of allergic reaction to iodinated contrast who successfully underwent intravascular ultrasound (IVUS) guided PCI. Stent size was determined based on IVUS. After PCI, stent expansion and a lack of edge diss...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: NMR in Biomedicine
سال: 2012
ISSN: 0952-3480
DOI: 10.1002/nbm.2876