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BY John de Groot, M.D.

Ever heard of gliomas? These primary brain tumors arise within the brain, but we don't know the cell of origin.

There are multiple grades of gliomas -- grade II, III and IV, with grade IV being the most malignant.    Glioblastoma, sometimes referred to as glioblastoma multiforme (GBM), is considered a grade IV tumor. They are the most aggressive and are very infiltrative -- they spread into other parts of the brain quickly...
Glioblastoma expert John de Groot, M.D., with a colleague