Acute disseminated encephalomyelitis--a case series.

Acute disseminated encephalomyelitis(ADEM) is an uncommon inflammatory demyelinating disease involving central nervous system white matter. A series of seven cases seen over a period of one year have been described. The patients presented with acute onset of focal neurological deficit (3 patients), alteration of sensorium(3) and ataxia(1). CT scan showed non specific hypodensity in 4 cases and was normal in 3 patients . MRI showed characteristic radiological changes. Complete recovery was seen in 3 patients , one died and 3 were left with sequelae.