نتایج جستجو برای: open mri
تعداد نتایج: 496963 فیلتر نتایج به سال:
سابقه و هدف: در بیماران تالاسمی ماژور بیشتر ارگان های بدن به علت افزایش بار آهن دچار آسیب می شوند. این مطالعه جهت تعیین رابطه اختلال عملکرد توبولی کلیه با میزان رسوب آهن بدن در این بیماران انجام گردید. مواد و روشها: در این مطالعه تحلیلی بیماران بتاتالاسمی ماژور که سن بیشتر از 10 سال داشتند، انتخاب شدند و برایشان *(magnetic resonance imaging t2, mrit2) (تصویر برداری مگنتیک رزنانس نوع t2*) انجام ...
the main goal of this paper is to introduce and study a new class of function via the notions of $e$-$theta$-open sets and $e$-$theta$-closure operator which are defined by özkoç and aslım cite{10} called weakly $er$-open functions and $e$-$theta$-open functions. moreover, we investigate not only some of their basic properties but also their relationships with other types of already existing to...
Integrated PET/MRI systems open exciting possibilities for clinical and research applications. However, compared with PET/CT, PET/MRI is a complex technique resulting in new problems and challenges, especially regarding workflow, scan protocols, and data analysis. This complexity applies in particular to examinations in oncology with partial- or whole-body coverage extending over several bed po...
AIMS The number of low-field (<0.5 T) magnetic resonance (MR) scanners installed worldwide is increasing due to a favourable cost and safety profile and improved patient comfort using an open-scanner design. Therefore, the aim of our study was to evaluate a strategy for the safe performance of magnetic resonance imaging (MRI) at a field strength of 0.2 T, in pacemaker (PM) patients without limi...
Magnetic Resonance Imaging (MRI) is unparalleled in its ability to visualize anatomical structure and function non-invasively with high spatial and temporal resolution. Yet to overcome the low sensitivity inherent in inductive detection of weakly polarized nuclear spins, the vast majority of clinical MRI scanners employ superconducting magnets producing very high magnetic fields. Commonly found...
BACKGROUND Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) is a promising technique to characterize pathology and evaluate treatment response. However, analysis of DCE-MRI data is complex and benefits from concurrent analysis of multiple kinetic models and parameters. Few software tools are currently available that specifically focuses on DCE-MRI analysis with multiple kinetic mo...
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