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  • Title: [Retinoblatoma: a review].
    Author: Doz F.
    Journal: Arch Pediatr; 2006 Oct; 13(10):1329-37. PubMed ID: 16930963.
    Abstract:
    Retinoblastoma is the most frequent eye tumor in children, with an incidence of 1/15 000 births. Sixty per cent are unilateral: the median age at diagnosis is 2 years and most of these forms are not hereditary. Retinoblastoma is bilateral in 40%: the median age at diagnosis is 1 year. All bilateral and multifocal unilateral forms are hereditary. Hereditary retinoblastoma constitutes a cancer predisposition syndrome: a subject carrying a constitutional RB1 gene mutation has a greater than 90% risk of developing retinoblastoma, but is also at increased risk of developing secondary cancers. The 2 most frequent revealing symptoms are leucocoria and strabismus. Diagnosis is made by fundoscopy. US, MRI, CT scans may contribute to diagnosis. Management of patients with retinoblastoma must take into account the various aspects of the disease: the visual risk, the possibly hereditary nature of the disease and the life-threatening risk. Enucleation is still often necessary in unilateral disease; adjuvant treatment is decided according to the histological risk factors. Conservative treatment of at least 1 eye is possible in most of the bilateral cases: laser alone or combined with chemotherapy, cryotherapy and brachytherapy. The indication for external beam radiotherapy should be restricted to large ocular tumors and diffuse vitreous seeding because of the risk of late effects, including secondary sarcoma. Long-term follow-up and early information to retinoblastoma patients regarding the risk of second primary tumors and transmission is actually important.
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