To investigate the brain structure variation of patients with chronic unilateral middle cerebral artery (MCA) stenosis, a volume-based quantitative segmentation method was used to measure the morphological changes of brain structure. A correlation analysis was performed to find the relationship between the morphometry and cerebral blood perfusion. The results showed that the patients had atrophy in many brain regions within the MCA territory. And the perfusion status may have impact on the atrophy process.
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