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 2, 3 and 4, with grade 4 being the most malignant.    Glioblastoma, sometimes referred to as glioblastoma multiforme (GBM), is considered a grade 4 tumor. They are the most aggressive and are very infiltrative -- they spread into other parts of the brain quickly...
Cancerwise blog post: John de Groot, M.D., discusses glioblastoma (GBM), the most aggressive type of brain tumor