Table 2.
Quantitative analysis of MR data in single patients
| Subject | Brainstem substructure | Lesion volume (mm3) | Healthy volume (mm3) | Cumulative volume (mm3) | Lesion volume percentage (%) |
|---|---|---|---|---|---|
| 1 | Midbrain | 253 | 5286 | 5539 | 4.57 |
| Pons | 8199 | 6988 | 15187 | 53.99 | |
| Medulla oblongata | 0 | 4015 | 4015 | — | |
| 2 | Midbrain | 248 | 9745 | 9993 | 2.48 |
| Pons | 4696 | 8568 | 13,264 | 35.40 | |
| Medulla oblongata | 0 | 5081 | 5081 | — | |
| 3 | Midbrain | 0 | 5263 | 5263 | — |
| Pons | 3119 | 14,148 | 17,267 | 18.06 | |
| Medulla oblongata | 2120 | 6939 | 9059 | 23.4 | |
| 4 | Midbrain | 0 | 4707 | 4707 | — |
| Pons | 2417 | 11,289 | 13,706 | 17.63 | |
| Medulla oblongata | 0 | 3310 | 3310 | — | |
| 5 | Midbrain | 0 | 6844 | 6844 | — |
| Pons | 2950 | 11,035 | 13,985 | 21.09 | |
| Medulla oblongata | 0 | 3249 | 3249 | — | |
| 6 | Midbrain | 0 | 6288 | 6288 | — |
| Pons | 3610 | 7952 | 11,562 | 31.22 | |
| Medulla oblongata | 0 | 3209 | 3209 | — | |
| 7 | Midbrain | 0 | 3964 | 3964 | — |
| Pons | 3500 | 7083 | 10,583 | 33.07 | |
| Medulla oblongata | 0 | 4593 | 4593 | — |