▁G CS ▁of ▁ 6 . ▁ ▁CT ▁evaluation ▁revealed ▁a ▁sub d ural ▁h emat oma ▁that ▁was ▁ev acu ated ▁with ▁an ▁emer gency ▁c ran iot omy ▁about ▁ 4 5 ▁minutes ▁after ▁initial ▁on set . ▁ ▁Pat ient ▁experienced ▁trans ient ▁right - s ided ▁par al ysis ▁of ▁lim bs ▁that ▁resolved ▁after ▁ 4 8 ▁hours . ▁ ▁The ▁volume ▁of ▁blood ▁flow ▁across ▁the ▁dur a ▁created ▁when ▁the ▁A VM ▁burst ▁caused ▁compression ▁of ▁the ▁bra inst em ▁on ▁the ▁level ▁of ▁the ▁tent or ium ▁on ▁the ▁opposite ▁side . ▁ ▁Sub sequently , ▁the ▁patient ▁was ▁transferred ▁to ▁C ed ars - S ina i ▁under ▁the ▁surg ical ▁care ▁of ▁W outer ▁Sch iev ink , ▁MD ▁and ▁has ▁made ▁a ▁complete ▁recovery ▁after ▁one - year ." ▁ ▁History ▁ ▁Early ▁find ings ▁One ▁of ▁the ▁first ▁references ▁to ▁cas ual ▁brain ▁h erni ation ▁was ▁that ▁of ▁James ▁Col ier , ▁who ▁clearly ▁described ▁c ere bell ar ▁tons ilar ▁h erni ation ▁in ▁ 1 9 0 4 . ▁He ▁observed ▁accomp any ing ▁false ▁local izing ▁signs ▁and ▁commented : ▁ ▁" In ▁many ▁cases ▁of ▁int rac ran ial ▁tum our ▁of ▁long ▁duration , ▁it ▁was ▁found ▁post mort em ▁that ▁the ▁posterior ▁inferior ▁part ▁of ▁the ▁c ere bell um ▁had ▁been ▁pushed ▁down ▁and ▁backwards ▁into ▁the ▁for amen ▁mag num ▁and ▁the ▁med ulla ▁itself ▁somewhat ▁ca ud ally ▁disp la ced