Clinical cases
  • A 3-year-old boy with retinoblastoma received proton therapy. The optic nerve, lens, normal retina, lacrimal gland, and orbital bone received minimal doses of radiation. He is in his 4th year of elementary school, and has shown no evidence of disease 4 years and 9 months after treatment.
    His vision is also good. (a) Proton therapy plan. (b, c) Ophthalmoscopy before (b) and 1 month after (c) proton therapy (necrotic cavity).
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