This study aims to characterize the luminal morphology of middle cerebral arteries affected by intracranial atherosclerotic disease in a cohort of ischemic stroke patients. We used a visualization method (MOCHA) based on multiplanar reconstruction of the intracranial vasculature. We identified three distinct morphological patterns based on the effect of the atherosclerotic plaque presence on the downstream geometry. Together with the location of the plaque with respect to the middle cerebral artery branching point from the internal carotid artery, these distinct morphological patterns might be the differential factor in recurrent stroke risk stratification due to the resulting local hemodynamics.
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