Table 1. Summary of pediatric glioma tissue specimens analyzed.
| Tumor tissue (n = 69) | Normal tissue (n = 4) | |
|---|---|---|
| Gender | ||
| Male | 34 (49.28) | 2 (50.00) |
| Female | 35 (50.72) | 2 (50.00) |
| Age | ||
| <5 years | 14 (20.29) | 3 (75.00) |
| 5–10 years | 26 (37.68) | 1 (25.00) |
| >10 years | 29 (42.03) | 0 (0.00) |
| Anatomical location | ||
| Midline | ||
| Brainstem | 18 (26.09) | 4 (100.00) |
| Thalamus | 27 (39.13) | 0 (0.00) |
| Non-midline | ||
| Cerebellar hemisphere | 9 (13.04) | 0 (0.00) |
| Cerebral hemisphere | 15 (21.74) | 0 (0.00) |
| WHO-Grade | ||
| I | 20 (28.99) | n/a |
| II | 10 (14.49) | n/a |
| III | 14 (20.29) | n/a |
| IV | 25 (36.23) | n/a |
Formalin fixed paraffin embedded pediatric glioma and normal brainstem tissue specimens were submitted for immunohistochemical (IHC) analysis. Gender, age, tumor anatomical location and WHO-grade of specimens are summarized. KEY: Number in parentheses indicate percentage of total cohort.