Table 5.2.
MRI features of ADEM and MS
| MRI features | ADEM: typical | MS: typical |
|---|---|---|
| Deep gray matter/cortical involvement | Yes | No |
| Bilateral diffuse lesions | Yes | No |
| Poorly marginated lesions | Yes | No |
| Large globular lesions | Yes | No |
| Periventricular pattern of lesions | No | Yes |
| Lesions perpendicular to long axis of corpus callosum | No | Yes |
| Ovoid lesions | No | Yes |
| Lesions confined to corpus callosum | No | Yes |
| Sole presence of well-defined lesions | No | Yes |
| Black holes (T1-weighted sequences) | No | Yes |
MRI magnetic resonance imaging, ADEM acute disseminated encephalomyelitis, MS multiple sclerosis
From [19] with permission