Most common tumors based on age and location (1, 2, 4, 5, 12, 21)
| Frontal Horn | Foramen of Monro | Body | Trigone | |
|---|---|---|---|---|
| Children (<10 yrs) | PNET | SEGA | PNET | CPP |
| SEGA | CPC | |||
| Adults (10 to 30–40 yrs) | Astrocytoma | Colloid Cyst | Astrocytoma | Astrocytoma |
| Central Neurocytoma | SEGA | GBM | Ependymoma | |
| Ependymoma | Meningioma | |||
| Oligodendroglioma | ||||
| Central Neurocytoma | ||||
| Adults (>30–40 yrs) | Central Neurocytoma | Colloid Cyst | GBM | Meningioma |
| Subependymoma | Subependymoma | Subependymoma | ||
| Metastasis |
Note.—PNET indicates primitive neuroectodermal tumor; SEGA, subependymal giant cell astrocytoma; CPP, choroid plexus papilloma; CPC, choroid plexus carcinoma; and GBM, glioblastoma multiforme.