نتایج جستجو برای: magnetic resonance

تعداد نتایج: 400525  

آزاد‌نیا, بابک , منصوری, بهمن , پیله‌ور, عبدالحمید ,

Background: Magnetic resonance imaging (MRI) is widely applied for examination and diagnosis of brain tumors based on its advantages of high resolution in detecting the soft tissues and especially of its harmless radiation damages to human bodies. The goal of the processing of images is automatic segmentation of brain edema and tumors, in different dimensions of the magnetic resonance images. M...

A. Shiravi B. Ganji M. Shiravi,

One of the main challenges in developing magnetic resonance imaging (MRI) systems is to create a static coil that needs to generate magnetic field density along with the characteristics of optimal homogeneity and magnitude size. To do this, two N42 Block PMs are used and the iron core is designed and optimized in accordance with the dimensions of PM pieces using ANSYS Maxwell software. Then, al...

Mohsen Shoja, Niloufar Asbaghipour

Introduction: Along with the increased use of cardiac imaging at clinics there is increased attention to the potential risks related to the methods used like magnetic resonance (MR) and it cannot be ruled out that MR can alter DNA structure. The aim of this review is to assess the impact of routine cardiac magnetic resonance (CMR) scanning on DNA damages in human T lymphocytes....

Background: Posterior tibial slope (PTS) is an important factor in the knee joint biomechanics and one of the bone features, which leads to knee joint stability. Posterior tibial slope affects flexion gap, knee joint stability and posterior femoral rollback that are related to wide range of knee motion. During high tibial osteotomy and total knee arthroplasty (TKA) surgery, proper retaining the...

Journal: :تحقیقات علوم رفتاری 0
مجید برکتین majid barekatain

aim and background: it has since long been known that there is strong relation between   psychological status and functional gastrointestinal disorders (fgid). however, until recently, the nature of this putative relationship was unclear due to a lack of non-invasive methods to investigate the neurobiological mechanisms underlying this relationship.  functional brain imaging has provided a meth...

Journal: :مجله علوم اعصاب شفای خاتم 0
saleh salehi zahabi medical imaging physicist, radiology and nuclear medicine department, kermanshah university of medical science, kermanshah, iran farkhonde salehi department of clinical psychology, kermanshah university of medical science, kermanshah, iran farzad moradi department of radiology, kermanshah university of medical science, tehran, iran shahriar asgari department of radiology, kermanshah university of medical science, tehran, iran

in recent years, the development of neuroimaging techniques such as high-resolution magnetic resonance imaging (mri), functional magnetic resonance imaging (fmri), positron emission tomography (pet), or single photon emission tomography (spect) has promoted the identification of structural and functional characteristics underlying mental disorders to a great extent. in anxiety disorders, recent...

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