“…Recent studies in the radiology literature of Brazil have emphasized the importance of MRI for improving central nervous system diagnoses ( 1 , 2 ) . CAA-ri is a rare disease that typically affects patients between 60 and 80 years of age, with no predilection for either gender, manifesting clinically as a subacute cognitive decline, headache, convulsion, focal neurological deficits, and neuropsychiatric disorders ( 3 - 7 ) .…”