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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
[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.