Glioblastomaisoneofthemostangiogenichumantumorsandcharacterizedbymicrovascularproliferations.Abetterunderstandingofglioblastomavasculatureisneededtooptimizeanti-angiogenictherapythathasshownapromisingbutincompleteefficacy.Thepresentstudyexamined48glioblastomasbyCD34endothelialmarkerperiodicacid-Schiff(PAS)dualstainingandfoundnon-endothelialcell-linedblood
