| ALA | Aminolevulinic Acid |
| CBTRUS | Central Brain Tumor Registry of the United States |
| CI | Confidence Interval |
| CNS | Central Nervous System |
| CT | Computed Tomography |
| EBRT | External Beam Radiotherapy |
| ED | Emergency Department |
| EOR | Extent of Resection |
| FET-PET | Fluoroethyltyrosine Positron Emission Tomography |
| FLAIR | Fluid-Attenuated Inversion Recovery |
| GTR | Gross Total Resection |
| HR | Hazard Ratio |
| IDH | Isocitrate Dehydrogenase |
| MGMT | O6-Methylguanine-DNA Methyltransferase |
| MRI | Magnetic Resonance Imaging |
| OS | Overall Survival |
| PCV | Procarbazine, CCNU (lomustine), and Vincristine |
| PFS | Progression-Free Survival |
| PICO | Population, Intervention, Comparison, Outcome |
| RCTs | Randomized Clinical Trials |
| RICE | Radiation-Induced Contrast Enhancements |
| STR | Subtotal Resection |
| T1WI | T1-Weighted Imaging |
| TKI | Tyrosine Kinase Inhibitor |
| TMZ | Temozolomide |
| WHO | World Health Organization |