1. (noun) a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years

• bosin's disease
• inclusion body encephalitis
• sclerosing leukoencephalitis
• sspe
• subacute inclusion body encephalitis
• subacute sclerosing leukoencephalitis
• subacute sclerosing panencephalitis
• van bogaert encephalitis

1. (noun) a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years

• panencephalitis