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How is cryotherapy used to treat retinoblastoma?

Cryotherapy may be used to treat small retinoblastoma tumors that have not been fully eliminated by radiation therapy. The procedure involves using a small, cold substance like liquid nitrogen, to directly freeze and kill cancer cells. It is performed with the child completely anesthetized. Cryotherapy is often given more than once. Side effects are temporary swelling and possible harm to the retina.

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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.