Quantitative Susceptibility Mapping in Woodhouse‐Sakati Syndrome
نویسندگان
چکیده
منابع مشابه
Diagnosis of patients with Parkinson's disease using quantitative susceptibility mapping
Introduction: Parkinson'sdisease isassociated withirondeposition in the brain. The T2-weighted imaging, T2* mapping, R2 mapping and Quantitative Susceptibility Mapping (QSM) are three common methods to evaluating the iron deposition in brain. Among three methods the QSM is more sensitive than others. Few studies have been used QSM for evaluating the iron deposition in the basa...
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............................................................................................................................. iv Acknowledgements ........................................................................................................... vi List of Figures .................................................................................................................... ix List...
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Blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI) is a powerful technique, typically based on the statistical analysis of the magnitude component of the complex time-series. Here, we additionally interrogated the phase data of the fMRI time-series and used quantitative susceptibility mapping (QSM) in order to investigate the potential of functional QSM (fQSM)...
متن کاملInverse Problem in Quantitative Susceptibility Mapping
The inverse problem of QSM is to recover the susceptibility distribution of the human body from the measured local field that is expressed by the convolution of the susceptibility distribution with the magnetic field generated by a unit dipole. However, it is ill-posed due to the presence of zeros at a cone in the Fourier representation of the unit dipole kernel. Due to this ill-posedness, the ...
متن کاملQuantitative Susceptibility Mapping in Parkinson's Disease
BACKGROUND Quantitative susceptibility mapping (QSM) and R2* relaxation rate mapping have demonstrated increased iron deposition in the substantia nigra of patients with idiopathic Parkinson's disease (PD). However, the findings in other subcortical deep gray matter nuclei are converse and the sensitivity of QSM and R2* for morphological changes and their relation to clinical measures of diseas...
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ژورنال
عنوان ژورنال: Annals of Neurology
سال: 2021
ISSN: 0364-5134,1531-8249
DOI: 10.1002/ana.26096