Glioblastoma multiforme (GBM) is the most common and deadliest of malignant primary brain tumors in adults and is one of the groups of tumors referred to as gliomas. Glioblastoma is a type of astrocytoma, cancer that forms from star-shaped cells in the brain called astrocytes. In adults, this cancer usually starts in the cerebrum, the largest part of your brain.
Glioma is one of the psychological disorders characterized by the occurrence of tumor in the brain and the spinal cord. The tumor mainly starts to form in the glial cells that supports and surrounds the nerve cells while promoting optimal functioning.