| TREATMENT | D-9 | D-8 | D-7 | D-6 | D-5 | D-4 | D-3 | D-2 | D-1 | 0 |
| Busulfan 1 mg/kg po q 6 hours x 16 doses |   | X | X | X | X |   |   |   |   |   |
| Etoposide * 40 mg/kg IV over 1 hr (age 0-60 yrs) * 60 mg/kg IV over 4 hr (age < 18 if AML) |   |   |   |   |   | X |   |   |   |   |
| Cyclophosphamide 60 mg/kg IV over 1 hr x 2 days |   |   |   |   |   |   | X | X |   |   |
| Dilantine 5 mg/kg po / IV q6h x 4, then qd until 48hr post Busulfan |   | X | X | X | X | X | X |   |   |   |
| IT methotrexate 10 mg/m2 (max 12mg): ALL pts. only | X |   |   |   |   |   |   |   |   |   |
| Radiation therapy: testicular (ALL pts. only) | X | X | X |   |   |   |   |   |   |   |
| Transplant |   |   |   |   |   |   |   |   |   | X |