نتایج جستجو برای: open mri
تعداد نتایج: 496963 فیلتر نتایج به سال:
purpose t1wi (t1 weighted image) was acquired in order to grade bone fusion following the studies by fifa (federation internationale de football associations). research using images other than t1wi has not been reported. the aim of this study is to evaluate the grade of epiphyseal fusion by t2* weighted images (t2*wi) and to investigate new findings on t2*wi as compared with t1wi. methods a tot...
purpose this study was performed to introduce and evaluate the potential of kinematic magnetic resonance imaging (kmri) using a high-field open-magnet magnetic resonance (mr) system. methods we attempted to perform kmri of healthy volunteers’ lumbar spine and knee in the lateral position and ankle in the supine position utilizing the superconducting, horizontally opened, 1.2 t mr system (oasis,...
امروزه توجه روزافزونی به جراحی¬های با حداقل تهاجم، به کمک اسکنرهای open-mr شده¬است. در این روش درمانی از تصاویر open-mr اخذ شده حین جراحی، و انطباق آن¬ها بر روی تصاویر سی¬تی¬اسکن قبل از جراحی، موقعیت تومور مشاهده می¬گردد. بدلیل میدان مغناطیسی کم (t 5/0) و شرایط متفاوت اتاق عمل، برخی اوقات کیفیت تصاویر open-mr از تصاویر mri یا سی¬تی¬اسکن، کمتر بوده و تومور در این تصاویر به¬راحتی قابل مشاهده نمی¬...
Tumefactive demyelinating lesions are a rare presentation of multiple sclerosis (MS). Diagnosis of tumefactive is commonly carried out using magnetic resonance image (MRI). Tumefactive diagnosis is difficult because of may similar to the clinical and MRI characteristics of glioma or a cerebral abscess. We presented a 35-years-old female with one episode of secondary generalized seizure after de...
(1) In most MRI scanners, the patient examination table fits inside a long cylindrical tube. Large patients cannot be accommodated, and some persons experience claustrophobic reactions. Open MRI systems, in which the patient is placed between two plates, overcome these disadvantages. (2) Open MRI scanners are widely used in health care. High-field closed MRI systems are preferred for many exami...
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