Table 3.
MRI characteristics
| Patients | Pat 1 | Pat 2 | Pat 3 | Pat 4 | Pat 5 | Pat 6 | Pat 7 | Pat 8 | Pat 9 | Pat 10 | Pat 11 | Pat 12 | Pat 13 | Pat 14 | Pat 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MRI at PML-diagnosis | |||||||||||||||
| GD enhancement in PML lesion (0=n/1=y) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Localisation of PML-lesion(s) | |||||||||||||||
| Uni-/multilobular (0=uni/1=multi) | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
| Uni-/bihemispheral (0=uni; 1=bi) | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Left/right hemispheral (0=le/1=ri/2=both (ri>le); 3=both (le>ri) | 0 | 1 | 3 | 1 | 2 | 1 | 2 | 1 | 2 | 0 | 0 | 3 | 1 | 0 | 1 |
| Supra-/infratentorial (0=supra/1=infra/2=both) | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Frontal (0=n/1=y) | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Temporal (0=n/1=y) | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Parietal (0=n/1=y) | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
| Occipital (0=n/1=y) | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
| Diencephal (0=n; 1=y) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mesencephal (0=n; 1=y) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pontine (0=n/1=y) | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Medulla oblongata (0=n/1=y) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cerebellar (0=n/1=y) | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Progression of PML-lesion in IRIS -phase (0=n/1=y) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Uni-/bihemispheral extension of PML-lesions (0=uni/1=bi) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| GD-enhancement in IRIS-phase (0=n/1=y) | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
2, right more than left; 3, left more than right; both, supra-/and infratentorial; GD, gadolinium; infra, infratentorial; IRIS, immune reconstitution inflammatory syndrome; le, left; multi, multilobular/or -hemispheral; N, no; PML, progressive multifocal leukoencephalopathy; ri, right; supra, supratentorial; uni, unilobular/or -hemispheral; y, yes.