Table 2.
*Criteria established by the Boston Cerebral Amyloid Angiopathy Group: Steven M. Greenberg, MD, PhD, Daniel S. Kanter, MD, Carlos S. Kase, MD, and Michael S. Pessin, MD.
†The modified criteria are indicated in [ ].
‡As defined in: Vonsattel JP, Myers RH, Hedley-Whyte ET, Ropper AH, Bird ED, Richardson EP Jr. Cerebral amyloid angiopathy without and with cerebral hemorrhages: a comparative histological study. Ann Neurol 1991;30:637-649.
§Siderosis restricted to 3 or fewer sulci.
∥Siderosis affecting at least 4 sulci.
¶Other causes of intracerebral hemorrhage: excessive warfarin (international normalization ratio, INR>3.0); antecedent head trauma or ischemic stroke; central nervous system tumor, vascular malformation, or vasculitis; and blood dyscrasia or coagulopathy. INR>3.0 or other nonspecific laboratory abnormalities permitted for diagnosis of possible CAA.