| Findings | CAA | ABRA | CAARI |
|---|---|---|---|
| (n=27) | (n=22) | (n=5) | |
| Strictly leptomeningeal disease | 1 | 8 | 2 |
| Leptomeningeal process with infiltrative white matter | 1 | 9 | 2 |
| Infiltrative white matter process mimicking low grade glioma | 4 | 4 | 0 |
| Lobar hemorrhage | 18 | 2 | 0 |
| Multiple cortical infarcts | 1 | 4 | 0 |
| Multiple intraparenchymal hemorrhages of different ages | 4 | 1 | 0 |
| Multiple acute hemorrhages | 0 | 0 | 1 |
| Multiple old lobar infarcts | 0 | 1 | 1 |
| Mass | 1 | 0 | 0 |
| Focal SAH | 1 | 0 | 0 |