, ▁a ▁ 2 3 ▁year - old ▁woman , ▁visited ▁our ▁out pat ient ▁clin ic ▁with ▁a ▁chief ▁compla int ▁of ▁severe ▁head ache , ▁n ause a ▁and ▁vom iting . ▁Her ▁pup ils ▁did ▁not ▁react ▁to ▁light ▁and ▁her ▁left ▁pup il ▁was ▁my d rias ic ... The ▁patient ▁was ▁immediately ▁operated ▁on ▁to ▁decom press ▁the ▁brain ▁and ▁remove ▁the ▁sub d ural ▁h emat oma . ▁The ▁on set - operation ▁interval ▁was ▁ 4 6 ▁min ... Int ra oper atively , ▁a ▁par en ch ym al ▁A VM ▁was ▁found ▁in ▁the ▁oc cip ital ▁area , ▁which ▁was ▁removed . ▁On ▁day ▁four ▁part ▁on set , ▁we ▁noticed ▁left ▁hem ip ares is ▁with ▁a ▁partial ▁left ▁o cul om ot or ▁n erve ▁p als y , ▁the ▁so ▁called ▁K ern oh an ' s ▁phenomen on ... One ▁month ▁after ▁on set , ▁the ▁patient ▁had ▁no ▁significant ▁ne uro log ical ▁def ic it ... We ▁believe ▁that ▁her ▁good ▁outcome ▁with ▁little ▁ne uro log ical ▁def ic it ▁was ▁due ▁to ▁the ▁short ▁interval ▁from ▁on set ▁to ▁the ▁first ▁operation ." ▁ ▁Another ▁case - report ▁involving ▁A VM : ▁ ▁" Right ▁A VM ▁produced ▁a ▁K ern oh an ' s ▁not ch ▁phenomen on ▁in ▁a ▁ 3 3 ▁year - old ▁male ▁who ▁was ▁admitted ▁to ▁the ▁In land ▁Empire ▁Medical ▁Center ▁with ▁full ▁se iz ures ▁and ▁a