Brain Tumor Facts
Brain Tumor Facts & Statistics
- 700,000 Americans are currently living with a primary brain tumor.
- 71% of all brain tumors are benign; 29% are malignant.
- Brain tumors occur more frequently in females (58%) than in males (42%).
- The median age at diagnosis is 61 years.
- Survival Rates: The average five-year survival rate for non-malignant tumors is 91.8%, while malignant tumors drop to 35.6%. For Glioblastoma, the rate is only 6.8%.
Understanding the Grades
| Grade | Characteristics |
|---|---|
| Grade 1 | Noncancerous, slow-growing, and often curable via surgery. |
| Grade 2 | Malignant but slow-growing; cells look unusual under a microscope. |
| Grade 3 | Malignant and fast-growing; cells show severe abnormalities. |
| Grade 4 | Aggressive and spreads rapidly; creates its own blood vessels to sustain growth. |
