Abstract
One hundred cases of retinoblastoma were diagnosed in New Zealand-born children between 1948 and 1977 inclusive. Five patients had an affected parent, and of the remaining sporadic cases 25 had bilateral and 70 unilateral tumours. The frequency of retinoblastoma, 1 in 17,500 births, was similar to that reported for most other countries. There was no evidence of an increase in the incidence of all cases of sporadic retinoblastoma during the 30-year period studied, nor was there any significant fluctuation in their incidence with space and time. There was an excess of bilateral sporadic cases in the southern-most districts of New Zealand, but this was of marginal significance. There was no significance evidence for any environmental influence on the occurrence of retinoblastoma.
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Suckling, R., Fitzgerald, P., Stewart, J. et al. The incidence and epidemiology of retinoblastoma in New Zealand: a 30-year survey. Br J Cancer 46, 729–736 (1982). https://doi.org/10.1038/bjc.1982.265
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DOI: https://doi.org/10.1038/bjc.1982.265
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