Table 3.
Characteristics of neonatal retinoblastomas
| Country | Period | All (n) | Family history, n (%) | Laterality | Metastatic death, n (%) | |
|---|---|---|---|---|---|---|
| Unilateral*, n (%) | Bilateral*, n (%) | |||||
| Canada[4] | 1922-1982 | 17 | 4 (24) | 4 (24) | 13 (76) | 4 (24) |
| USA[8] | 1962-1988 | 3 | 3 (100) | N/A | N/A | N/A |
| Turkey[9] | 1972-2000 | 3 | N/A | 0 | 3 (100) | 3 (100) |
| USA[1] | 1980-1998 | 4 | N/A | 0 | 4 (100) | 2 (50) |
| USA[3] | N/A | 46 | 33 (72) | 26/4 (57/9) | 20/42 (43/91) | 4 (9) |
| Netherlands[32] | 1992-2004 | 12 | 12 (100)† | 5/1 (42/8) | 7/11 (58/92) | 0 |
| Finland | 1985-2015 | 11 | 7 (64) | 8/1 (73/9) | 3/10 (27/91) | 0 |
*Initially/eventually, †Restricted to familial patients. N/A: Not available