This document is a case publication from January 2008 edited by Professor Yasser Metwally about acute disseminated encephalomyelitis (ADEM). It describes an 18-year-old female patient who presented with disturbed consciousness, seizures, optic neuritis and meningism. MRI images show lesions in the brain consistent with ADEM. The publication discusses differentiating ADEM from other conditions like multiple sclerosis, infections and metabolic disorders based on clinical features and test results. It provides guidance on the diagnosis and management of ADEM cases.