Table 1.
Patient characteristics
| Characteristics | No. patients |
|---|---|
| Total number | 56 |
| Gender | |
| Male | 35 |
| Female | 21 |
| Age | |
| Median 35.5 months | |
| Range 2 months - 12 years | |
| >18 months old | 36 |
| ≤ 18 months old | 20 |
| Histologic subtype | |
| Stroma-rich | |
| Well differentiated | 3 |
| Intermixed | 10 |
| Focal nodular | 3 |
| Stroma-poor | |
| Undifferentiated | 30 |
| Differentiating | 10 |
| Histology | |
| Favourable | 23 |
| Unfavourable | 33 |
| Stage | |
| 1 | 3 |
| 2 | 15 |
| 3 | 20 |
| 4 | 17 |
| 4s * | 1 |
| Treatment | |
| S | 3 |
| S/CTH | 32 |
| S/CTH/MIBGT | 2 |
| S/CTH/RT | 2 |
| S/CTH/BMT | 14 |
| S/CTH/MIBGT/BMT | 2 |
| S/CTH/BMT/RT | 1 |
| Survival | |
| Alive | 35 |
| Dead | 21 |
Abbreviations: 4s * in infants with small primary tumours and metastatic disease involving the skin, liver, limited infiltration of the bone marrow, and can spontaneously regress; S, surgery; CTH, chemotherapy; MIBGT, metaiodobenzylguanidine therapy; BMT, bone marrow transplant; RT, radiotherapy