Although it occurs in all ages, most reported cases are in children and adolescents, with the average age around 5 to 8 years old.[7][8][9] The mortality rate may be as high as 5%, full recovery is seen in 50 to 75% of cases, while up to 70 to 90% recover with some minor residual disability.[10] The average time to recover is one to six months.ADEM produces multiple inflammatory lesions in the bra