Table 1.
Medical characteristics of study population
| Location of icGCTs |
No. of Cases | |||
|---|---|---|---|---|
| Pineal | 20 | |||
| Pineal | 14 | |||
| Synchronous pineal and suprasellar | 6 | |||
| Suprasellar/neurohypophyseal | 14 | |||
| Basal ganglia | 22 | |||
| Diagnosis of icGCT | ||||
| Total | Pineal | Suprasellar | Basal ganglia | |
| Germinoma | 35 | 9 | 10 | 16 |
| Mature teratoma | 1 | 1 | 0 | 0 |
| NG-MGCT | 20 | 10 | 4 | 6 |
| Immature teratoma | 4 | 3 | 1 | 0 |
| Yolk sac tumor, pure | 1 | 0 | 0 | 1 |
| Mixed GCT | 13 | 7 | 1 | 5 |
| Diagnosed by tumor markers | 1 | 0 | 1 | 0 |
| Unclassified | 1 | 0 | 1 | 0 |
| Surgical excision | ||||
| No data | Biopsy | Partial/subtotal | Near total/gross total | |
| Pineal (n = 20/20) | 0 | 8 | 7 | 5 |
| Suprasellar (n = 7/14) | 0 | 3 | 4 | 0 |
| Basal ganglia (n = 12/22) | 1 | 2 | 3 | 6 |