????? ??? ??, ?? ??? ??? ??? ? ?? ?? ??????. ???? ???? ??? ? ?? ?? ??? ?????. ???? ??? ? ?? ??: ??? ??? ???? ???? ??? ? ????. A variant of ependymoma, often found in the spinal twine, with tumor cells arranged in fascicles of variable width and mobile density. ???? ???? ?? ?????, ??, ??