| Histogenetic group | Histological type | Number | Percentage |
| Carcinoma | Hepatocarcinoma | 1 | 100% |
| Embryonic tumors | Nephroblastoma | 10 | 50.00 |
| Retinoblastoma | 8 | 40.00 | |
| Hepatoblastoma | 1 | 5.00 | |
| Neuroblastoma | 1 | 5.00 | |
| Total | 20 | 100.00 | |
| Hematopoietic tumors | Burkitt’s lymphoma | 22 | 61.11 |
| Acute lymphoblastic leukemia | 6 | 16.67 | |
| Non-Hodgkin’s large cell lymphoma | 5 | 13.89 | |
| Hodgkin lymphoma | 2 | 5.56 | |
| Unclassified lymphoma | 1 | 2.78 | |
| Total | 36 | 100.00 | |
| Sarcoma | Rhabdomyosarcoma | 7 | 46.67 |
| Ewing’s sarcoma | 3 | 20.00 | |
| Kaposi’s sarcoma | 3 | 20.00 | |
| Synovialosarcoma | 1 | 6.67 | |
| Osteosarcoma | 1 | 6.67 | |
| Total | 15 | 100.00 |