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dilation in the diameter of small arteries and arterioles secondary to lipohyalinosis from long-standing hypertension; associated with intracerebral hematomas.
Synonym(s): Charcot-Bouchard aneurysm
Etymology: Jean M. Charcot, French neurologist, 1825-1893; Charles J. Bouchard, French physician, 1837-1886
a small, round dilation of a small artery in the cerebral cortex or basal ganglia. Charcot-Bouchard aneurysms often occur in individuals with very high blood pressure.
[Charcot; Charles Jacques Bouchard, Fr. physician, 1837–1886]
A microaneurysm in a small artery of the brain thought, in the past, to be a cause of intracranial hemorrhage.