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. 2015 Jan 30;17(1):17–30. doi: 10.5853/jos.2015.17.1.17

Table 2.

Classic83* and modified Boston criteria32 for diagnosis of CAA-related hemorrhage

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*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.

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