Background Cardiovascular magnetic resonance (CMR) examinations is increasingly used in daily clinical practice. Conventional pacemakers and implantable cardioverter-defibrillators (ICD) have always been regarded as a contraindication to MR imaging. However the introduction of MR-conditional systems have significantly improved access to MR examinations. Limited data exists regarding indications...

Purpose A clinical augmented reality guidance system was developed for MR imaging guided musculoskeletal and spine interventions (Magnetic Resonance Image Overlay System, MR-IOS) [1]. The MR-IOS was used in conjunction with a laboratory system “Perk Station Platform, PSP”; a training platform for percutaneous needle based interventions [2]. The purpose of this study was to assess the MR environ...

Electrocardiogram (ECG) is required during magnetic resonance (MR) examination for monitoring patients under anaesthesia or with heart diseases and for synchronizing image acquisition with heart activity (triggering). Accurate and fast QRS detection is therefore desirable, but this task is complicated by artefacts related to the complex MR environment (high magnetic field, radio-frequency pulse...

The application of image processing techniques has rapidly increased in recent years. Medical images almost are stored and represented digitally [26]. Medical image segmentation has very important rule in many computer aided diagnostic tools. These tools could save clinicians time by simplifying the time consuming process [27]. The brain images segmentation is a complicated and challenging task...

Magnetic field sensors based on organic thin-film materials have attracted considerable interest in recent years as they can be manufactured at very low cost and on flexible substrates. However, the technological relevance of such magnetoresistive sensors is limited owing to their narrow magnetic field ranges (∼30 mT) and the continuous calibration required to compensate temperature fluctuation...

conclusions test-retest and correlation analyses have identified non-redundant radiomics features and this feature are prone to errors if they employed as quantitative biomarker for gbm image analysis. however when we use robust and redundant feature, quantitative image radiomics features are informative and prognostic biomarkers for gbm magnetic resonance imaging. results results shows that th...

Incidental extra-osseous uptake of 99mTc-MDP on bone scintigraphy has been frequently reported in the literature; however, calcification of the psoas muscle is a rare condition, which has been reported on magnetic resonance (MR) and computed tomography (CT) imagings. Here we report a 67-year-old woman with acute paraplegia and low back pain who was referred for a 99mTc-MDP...

In this study, the interaction of DMSA-coated magnetite nanoparticles (5 and 10 nm core-size) with Saccharomyces cerevisae was investigated using magnetic resonance (MR) and transmission electron microscopy (TEM). The TEM micrographs revealed magnetite nanoparticles attached externally to the cell wall. The MR data support the strong interaction among the nanoparticles supported by the cells. A...

Since its introduction in the 1930s, magnetic resonance imaging (MRI) has become recognized as a powerful in vivo diagnostic tool. The objective of this article is to discuss developments in quantitative MRI - and particularly texture analysis - that maximize diagnostic information, A fundamental part of the work involves careful study of the optimal MRI data collection strategies for texture a...

Hyperpolarized 13C Magnetic Resonance (MR) is a promising technique for in vivo non-invasive assessment of metabolism humans. Despite the considerable signal increase provided by hyperpolarization techniques, low molar concentration derivate metabolites gives rise to technological limits terms data quality. The development dedicated radio frequency coils, capable providing large field view with...