????? ??? ??, ?? ??? ??? ??? ? ?? ?? ??????. ???? ???? ??? ? ?? ?? ??? ?????.????? ??? ????? ???? ????.????? ???? ??? ??? ??? ???? ?????.A variant of ependymoma, typically present in the spinal twine, with tumor cells organized in fascicles of variable width and cell density.???? ???? ?? ?????, ??, ?? ? ??(??)??? ???????.Hereditary paraganglioma-ph