CADASIL
<B>C</B>erebral <B>A</B>utosomal <B>D</B>ominant <B>A</B>rteriopathy with <B>S</B>ubcortical <B>I</B>nfarcts and <B>L</B>eukoencephalopathy.
An inherited form of vascular dementia that strikes relatively young adults of both sexes and is characterized by multiple strokes, dementia, migraine-like headaches, and psychiatric disturbances.
CADASIL is due to mutation of a gene called NOTCH3 located on chromosome 19. Also called hereditary multi-infarct dementia