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What causes retinoblastoma?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

Retinoblastoma occurs when a malfunction in genetic material causes the production of unnecessary cells. The disease results from mutations to a gene called RB1, which prevents retinal tumors by regulating cell division. Cancer only occurs when both alleles of the gene are mutated. Hereditary mutations can increase the chances of retinoblastoma.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.