????? ??? ??, ?? ??? ??? ??? ? ?? ?? ??????. ???? ???? ??? ? ?? ?? ??? ?????.????? ??? ????? ???? ????.????? ???? ??? ??? ??? ???? ?????.A variant of ependymoma, typically located in the spinal cord, with tumor cells arranged in fascicles of variable width and cell density.???? ???? ?? ?????, ??, ?? ? ??(??)??? ???????.g., frontal executive dysfunc