Table 2.

Presenting features of acute disseminated encephalomyelitis

Feature/Symptom	Prevalence (%)
Unilateral or bilateral pyramidal signs	60–95
Acute hemiplegia	76
Ataxia	18–65
Cranial nerve palsies	22–45
Optic neuritis	7–23
Seizure	13–35
Spinal cord involvement	24
Impaired speech	5–21
Hemiparesthesia	2–3
Respiratory failure (caused by brainstem involvement or severely impaired consciousness)	11–16

Data from Tenembaum S, Chitnis T, Ness J, et al. Acute disseminated encephalomyelitis. Neurology 2007;68:S24.