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Retinoblastoma is the commonest primary ocular malignancy of childhood. There are two forms — heritable and non heritable. Heritable retinoblastoma is a cancer susceptibility syndrome. Presentation is in the first few years of life, sometimes in the neonatal period. Early detection and prompt treatment can give cure rates up to 95% for intraocular tumours, but extraocular disease carries a very high...
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