Table 3.
MRI features reported in HBSL.
| MRI Changes | HBSL (n = 15)a, proportion of patients (%) |
|---|---|
| Supratentorial WM | |
| Homogenous Cerebral WM Abnormality | 80.0 |
| Focal/Patchy Cerebral WM Changes | 20.0 |
| Hyperintense Corpus Callosum | 60.0 |
| Abnormal Posterior Limb of Internal Capsule | 60.0 |
| Brainstem | |
| Abnormal Signal of Pyramidal Tract | 53.3 |
| Abnormal Signal of Medial Lemniscus | 6.7 |
| Cerebellum | |
| Abnormal Signal of White Matter | 26.7 |
| Abnormal Signal of Superior Cerebellar Peduncle | 60.0 |
| Abnormal Signal of Inferior Cerebellar Peduncle | 53.3 |
| Spinal Cord | |
| Abnormal Signal of Dorsal Columns* | 100.0 |
| Abnormal Signal of Lateral Corticospinal Tracts** | 90.9 |
Only data from full-text publications were included in this table. MRI changes were deemed to be not present if the feature was not mentioned, or if they were stated to be normal.
*
n = 13, as this feature was not investigated in two patients (Taft et al., 2013).
**
n = 11, as this feature was not investigated in four patients (Taft et al., 2013).