??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.?? ????? ???? ??? ???? ?? ??? ? ?? ???? ??? ? ????. ?? ????? ??? ????? ??? ???? ?? ???? ??????!A variant of ependymoma, normally located in the spinal twine, with tumor cells arranged in fascicles of variable width and mobile density.By adolescence, all men and women with MLIV have serio