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- W2034222144 abstract "We analyzed the long-term results of uveal melanoma treatment with proton beam irradiation in a series of patients with a follow-up of at least 10 years.The patients were treated with proton beam radiation between September 1991 and December 1992. They had an initial examination including visual acuity, funduscopy, A and B scan ultrasonography of the eye, fundus photographs and fluorescein angiography. General examination included chest radiography and B scan ultrasonography of the liver. All tumors received a total dose of 60 cobalt-Gray equivalents (applied in four daily fractions) at the Orsay proton therapy center.A total of 167 patients were treated with a median follow-up of 116 months. Their median age was 59 years. Thirteen tumors were anterior to the equator, 76 overlapped the equator and 78 were posterior to the equator. An initial retinal detachment was present in 41 cases. The optic disk was invaded in 10 cases. The median tumor diameter was 12 mm and the median tumor thickness was 5.8 mm. The mean initial acuity was 20/50. The survival rate was 62.93% at 10 years; 72.9% of deaths resulted from metastasis. Statistically significant risk factors for death identified in the multivariate analysis were tumor diameter greater than 12 mm (p=0.0004) and age over 60 years (p=0.0001). The metastasis rate at 10 years was 31%. The liver was affected in 97.8% of these patients. Risk factors for metastasis were the anterior site of the tumor, its volume greater than 0.4 cc and the presence of retinal detachment at diagnosis. The secondary enucleation rate at 10 years was 13.23%, mainly attributable to secondary neovascular glaucoma. The local recurrence rate was 6%. The visual acuity rate in 42.1% of patients was better than 20/100 at 10 years. Visual loss was mainly due to postradiation maculopathy and neuropathy.Our study confirms the long-term results found in the literature on proton beam radiation. This therapy allows good tumor control, an excellent eye retention rate, and good final visual acuity for approximately half of the patients." @default.
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- W2034222144 date "2005-10-01" @default.
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- W2034222144 title "Résultats du traitement du mélanome malin de l’uvée par faisceau de protons : 10 ans de recul" @default.
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- W2034222144 doi "https://doi.org/10.1016/s0181-5512(05)81001-0" @default.
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