MRI and VEP findings in 40 patients with CCPD
| n/N (%) | |
|---|---|
| MRI | |
| Cerebral lesions | 30/40 (75.0) |
| ≤3 | 6/30 (20.0) |
| 4–8 | 13/30 (43.3) |
| ≥9 | 11/30 (36.7) |
| Gd-enhancement | 7/40 (17.5) |
| Lesions larger than 3 cm | 10/40 (25.0) |
| Cerebellar lesions | 6/40 (15.0) |
| Gd-enhancement | 2/40 (5.0) |
| Brainstem lesions | 13/40 (32.5) |
| Gd-enhancement | 3/40 (7.5) |
| Optic nerve lesions | 7/40 (17.5) |
| Gd-enhancement | 1/40 (2.5) |
| Spinal cord lesions | 30/40 (75.0) |
| LESCLs | 3/40 (7.5) |
| Gd-enhancement | 11/40 (27.5) |
| VEPs | |
| Abnormal findings | 15/21 (71.4) |
| Right | 2/15 (13.3) |
| Left | 5/15 (33.3) |
| Bilateral | 8/15 (53.3) |
| Affected CNS sites | |
| Brain only | 4/40 (10.0) |
| Optic nerves only | 1/40(2.5) |
| Spinal cord only | 7/40 (17.5) |
| Brain+optic nerves | 5/40 (12.5) |
| Brain+spinal cord | 13/40 (32.5) |
| Optic nerves+spinal cord | 2/40 (5.0) |
| Brain+optic nerves+spinal cord | 8/40 (20.0) |
CCPD, combined central and peripheral demyelination; CNS, central nervous system; Gd, gadolinium; LESCLs, longitudinally extensive spinal cord lesions; N, number of cases collated; N, number of involved cases; VEPs, visual-evoked potentials.