Table 1.
Cohort characteristics.
| Age Range (at time of tissue collection) | 0-22* years | ||
|---|---|---|---|
| Sex | Male | 78 | 49.68% |
| Female | 79 | 50.32% | |
| Race | White | 78 | 49.68% |
| Black | 15 | 9.55% | |
| Asian | 4 | 2.55% | |
| American Indian | 1 | 0.64% | |
| Other | 17 | 10.83% | |
| NA | 42 | 26.75% | |
| Tumor Tissue Site | Posterior Fossa | 75 | 47.77% |
| Suprasellar | 34 | 21.66% | |
| Supratentorial (Hemispheric) | 29 | 18.47% | |
| Ventricular | 9 | 5.73% | |
| Other | 10 | 6.37% | |
| Tumor Histologies | Pilocytic Astrocytoma (JPA) | 91 | 57.96% |
| Fibrillary Astrocytoma | 15 | 9.55% | |
| Diffuse Astrocytoma | 10 | 6.37% | |
| Low Grade Glioma (Not otherwise Specified) | 8 | 5.10% | |
| Pilomyxoid Astrocytoma | 7 | 4.46% | |
| Pilocytic/Pilomyxoid Astrocytoma | 6 | 3.82% | |
| Subependymal Giant Cell Astrocytoma | 4 | 2.55% | |
| Pleomorphic Xanthoastrocytomas | 4 | 2.55% | |
| Angiocentric glioma | 3 | 1.91% | |
| Oligodendroglioma | 2 | 1.27% | |
| Ganglioma | 2 | 1.27% | |
| Pilocytic and Diffuse Astrocytoma | 2 | 1.27% | |
| Ganglion Cell Tumor | 1 | 0.64% | |
| Diffuse Infiltrating Astrocytoma | 1 | 0.64% | |
| Glioneuronal Tumor | 1 | 0.64% |
⁎
Ages of patients at time of imaging was under 18. Biopsy, for some patients, occurred years after initial imaging.