Article topic: Glioblastoma Multiforme (GBM) Author: Randa Shahwan Editor: Hamza Aljarrah, Rahmeh Adel Reviewer: Dr Adam M. Abdallah  Keywords: glioblastoma, GBM, astrocytoma, glioma, brain tumor. Abbreviations: GMB: Glioblastoma Multiforme, MRI: Magnetic resonance imaging, FLAIR: fluid-attenuated inversion recovery, PET: Positron emission tomography. Abstract Glioblastoma multiforme (GBM) is a very aggressive and incurable malignant primary brain tumor, with high morbidity and mortality rates, which make it known for its poor prognosis. It is a grade IV astrocytoma. GBM is relatively rare, however, it’s the most common primary malignant brain tumor in adults. Signs and symptoms of GBM vary greatly, but common symptoms […]