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How is chemotherapy used to treat retinoblastoma?

Chemotherapy is often used if retinoblastoma has spread outside of the eye. It may also be prescribed if the tumor simply threatens to spread. Chemotherapy targets the rapidly dividing cells of the cancer. Chemotherapy is thus often used to prepare the way for other treatments that can eliminate the cancer more effectively, whether within or outside the eye. For example, it may be used to shrink a tumor within the eye so it may be more easily destroyed by other methods. Chemotherapy may be systemic (injected into the bloodstream), injected around the eye, or even injected directly into the eye's blood supply -- this requires lower amounts of drugs than other methods.

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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.