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MRI signal and/or CT attenuation abnormality data (n = 80)
| Structures Involved | ||
| White Matter | 71 (88.8%) | |
| Cerebral Cortex | 35 (43.8%) | |
| Deep Gray Structures | 22 (27.5%) | |
| Cerebellum | 22 (27.5%) | |
| Brainstem | 7 (8.8%) | |
| Meninges | 6 (7.5%) | |
| Bilateral | 70 (87.5%) | |
| Number of Abnormalities | ||
| 1 | 7 (8.8%) | |
| 2 | 13 (16.3%) | |
| 3 | 6 (7.5%) | |
| ≥4 | 54 (67.5%) | |
| Size of Largest Abnormality | ||
| < 0.5cm | 7 (8.8%) | |
| 0.5–1cm | 12 (15.0%) | |
| 1–4cm | 32 (40.0%) | |
| ≥4cm | 29 (36.3%) | |
| Mass Effect | 10 (12.5%) | |
