▁a ▁les ion ▁may ▁be ▁found ▁in ▁the ▁cor pus ▁call os um . ▁ ▁If ▁you ▁have ▁ 1 0 ▁les ions ▁in ▁a ▁Sus ac ▁patient , ▁more ▁than ▁half ▁will ▁be ▁in ▁the ▁cor pus ▁call os um . ▁ ▁A ▁concern ▁about ▁this ▁ill ness ▁is ▁that ▁it ▁m im ics ▁multiple ▁s cl eros is ▁when ▁looking ▁at ▁the ▁vision ▁loss ▁and ▁brain ▁les ions . ▁ ▁If ▁close ▁attention ▁is ▁not ▁paid ▁to ▁the ▁ret ina ▁of ▁a ▁patient ▁with ▁vision ▁loss ▁and ▁brain ▁les ions , ▁their ▁sympt oms ▁may ▁be ▁mistaken ▁for ▁MS ▁instead ▁of ▁Sus ac ' s ▁synd rome . ▁ ▁This ▁may ▁account ▁for ▁the ▁low ▁pre val ence ▁of ▁the ▁ill ness . ▁There ▁is ▁also ▁a ▁path ological ▁similarity ▁between ▁the ▁end oth eli op ath y ▁in ▁Sus ac ' s ▁synd rome ▁with ▁that ▁seen ▁in ▁ju ven ile ▁der mat omy os itis . ▁ ▁Tre at ment ▁Early ▁and ▁ag gress ive ▁treatment ▁is ▁important ▁to ▁prevent ▁irre vers ible ▁ne uro log ical ▁damage , ▁hearing ▁loss , ▁or ▁vision ▁loss . ▁Medic ations ▁used ▁include ▁imm unos upp ress ive ▁agents ▁and ▁cort ic ost ero ids ▁such ▁a ▁pred nis one , ▁or ▁int ra ven ous ▁imm un og lob ul ins ▁( IV IG ). ▁Other ▁dru gs ▁that ▁have ▁been ▁used ▁are ▁my c oph en olate ▁m of et il ▁( Cell cept ), ▁az ath iop r ine