QSM sequence can quantitativeaccess tissue magnetic susceptibility, and applied to understand the distribution of iron content in the cerebral microbleeds. In the study, 3.0T MRI was applied to investigate intracerebral micro-hemorrhage in 33 patients with essential hypertension. QSM sequence was also adminstrated to quantitatively analyze the magnetic susceptibility of CMBs in hypertensive patients. The resultes indicated a significant difference between the magnetic susceptibility of the lesions in the basal ganglia and that of the lesions in the subcortical and infratentorial regions, respectively. Moreover, there was a positive correlation observed between the lesion area and the susceptibility value in each region.
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