2022年5月23日 · Quantitative susceptibility mapping (QSM) is an emerging magnetic resonance imaging technique that measures tissue magnetic susceptibility and has been shown to...

Ironsmith is a comprehensive, fully automated pipeline for creating and processing Quantitative Susceptibility Maps (QSM), extracting QSM based iron concentrations from subcortical and cortical brain regions and evaluating the quality of QSM data using SNR measures and assessment of outlier regions on phase images. - vzachari/IronSmithQSM

2023年11月15日 · QSM studies suggest a potential role of brain iron in age-related cognitive decline. Quantitative susceptibility mapping (QSM) is a magnetic resonance imaging (MRI) technique that can assess the magnetic properties of cerebral iron in vivo.

2022年5月6日 · Quantitative susceptibility mapping (QSM) is an advanced MRI technique for evaluating the distribution of magnetic susceptibility related to substances such as iron, hemosiderin, and deoxyhemoglobi...

Quantitative susceptibility mapping (QSM) is a novel technique which allows determining the bulk magnetic susceptibility distribution of tissue in vivo from gradient echo magnetic resonance phase images. It is commonly assumed that paramagnetic iron ...

The voxel intensity in QSM is linearly proportional to the underlying tissue apparent magnetic susceptibility, which is useful for chemical identification and quantification of specific biomarkers including iron, calcium, gadolinium, and super paramagnetic iron oxide (SPIO) nano-particles.

2024年4月1日 · The advent of Quantitative Susceptibility Mapping (QSM) has enabled non-invasive quantification of brain iron in vivo by MRI, which has contributed to the understanding of iron-associated pathogenesis and has the potential …

2022年6月10日 · 脑铁沉积的神经退行性变(Neurodegeneration with brain iron accumulation, NBIA)是一种罕见的、遗传性的神经运动障碍，其特征是大脑中异常的铁累积，特别是苍白球，在QSM上显示出鲜明的对比。临床主要症状包括早发性肌张力障碍、锥体和锥体外系体征，伴有共济 …

2023年11月15日 · Quantitative susceptibility mapping (QSM) is a magnetic resonance imaging (MRI) technique that can assess the magnetic properties of cerebral iron in vivo. Although brain iron is necessary for basic neurobiological functions, excess iron content disrupts homeostasis, leads to oxidative stress, and u …

2021年2月17日 · In the past decade, development of the new magnetic resonance imaging technique, quantitative susceptibility mapping (QSM), has enabled for the more comprehensive investigation of iron distribution in the brain. The aim of this systematic review was to provide a synthesis of the findings from existing QSM studies in neurodegenerative diseases.