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Patient population characteristics
| Characteristuc | n (%) |
|---|---|
| Total patients | 23 |
| Age at CNS relapse diagnosis (y) | |
| Median (range) | 15 (1–34) |
| Sex | |
| Female | 11 (46%) |
| Histology | |
| Alveolar | 16 (70%) |
| Embryonal | 7 (30%) |
| Primary site | |
| Parameningeal | 13 (57%) |
| Intracranial extension* | 12 (92%) |
| Cranial neuropathy* | 10 (77%) |
| Extremity | 6 (26%) |
| Spinal/paraspinal | 2 (9%) |
| Abdominal wall | 1 (4%) |
| Unknown | 1 (4%) |
| Stage* | |
| III | 10 (43%) |
| IV | 13 (57%) |
| Clinical group* | |
| 3 | 10 (42%) |
| 4 | 13 (57%) |
on initial presentation
