Juliette Thariat1, Ahmed Rahmi2, Julia Salleron3, Carlo Mosci4, Benjamin Butet5, Celia Maschi5, Francesco Lanza4, Sara Lanteri5, Stephanie Baillif5, Joel Herault6, Thibaud Mathis2, Jean Pierre Caujolle5. 1. Department of Radiation Oncology, Cancer Centre Francois Baclesse, Normandie Universite-Unicaen, Caen, France; Department of Radiation Oncology, Cancer Centre Antoine Lacassagne, Nice, France. Electronic address: jthariat@gmail.com. 2. Department of Ophthalmology, Croix-Rousse University Hospital, University Claude Bernard Lyon 1, Lyon, France. 3. Department of Biostatistics and Data Management, Institut de Cancerologie de Lorraine, Vandoeuvre-Les-Nancy, France. 4. Department of Ophthalmology, Ocular Oncology Center, E.O. Ospedali Galliera, Genoa, Italy. 5. Department of Ophthalmology, University Hospital Pasteur 2, Nice, France. 6. Department of Radiation Oncology, Cancer Centre Antoine Lacassagne, Nice, France.
Abstract
PURPOSE: To report on the clinical characteristics and outcomes for patients with iris melanoma using proton therapy. DESIGN: Retrospective study. PARTICIPANTS: One hundred seven patients with iris melanoma from 3 regional ophthalmologic centers. METHODS: A retrospective study was conducted for iris melanoma patients from 3 regional ophthalmologic centers referred to and treated at a single proton therapy facility between 1996 and 2015. MAIN OUTCOME MEASURES: At each follow-up visit, examinations included measurement of best-corrected VA, slit-lamp, examination, indirect ophthalmoscopy, and ultrasound biomicroscopy. RESULTS: With a median follow-up of 49.5 months, 5 of 107 patients experienced a local relapse within a median of 36.3 months. The cumulative incidence of relapse was 7.5% at 5 years. All 5 patients showed involvement of the iridocorneal angle (P = 0.056). Diffuse iris melanoma showed a higher risk of relapse (P = 0.044). Four patients showed out-of-field relapse and 1 showed angular relapse. Three patients were retreated with proton therapy, whereas 2 other patients, one with T1b disease and another with diffuse T3 disease, underwent secondary enucleation. None of the patients experienced metastases nor died of iris melanoma. Vision improved in 59.4% of patients (n = 60/101). However, cataracts occurred in 57.4% of the 54 patients (n = 31) without cataract or implant at diagnosis. Secondary glaucoma was reported in 7.6% of the patients (n = 8), uveitis in 4.7% (n = 5), and hyphema in 3.7% (n = 4). All but 5 cases of complications were mild, transient, and not sight limiting after treatment. Five cases of glaucoma, including 1 with uveitis, were severe and associated with visual deterioration. CONCLUSIONS: Proton therapy showed efficacy and limited morbidity in iris melanomas.
PURPOSE: To report on the clinical characteristics and outcomes for patients with iris melanoma using proton therapy. DESIGN: Retrospective study. PARTICIPANTS: One hundred seven patients with iris melanoma from 3 regional ophthalmologic centers. METHODS: A retrospective study was conducted for iris melanomapatients from 3 regional ophthalmologic centers referred to and treated at a single proton therapy facility between 1996 and 2015. MAIN OUTCOME MEASURES: At each follow-up visit, examinations included measurement of best-corrected VA, slit-lamp, examination, indirect ophthalmoscopy, and ultrasound biomicroscopy. RESULTS: With a median follow-up of 49.5 months, 5 of 107 patients experienced a local relapse within a median of 36.3 months. The cumulative incidence of relapse was 7.5% at 5 years. All 5 patients showed involvement of the iridocorneal angle (P = 0.056). Diffuse iris melanoma showed a higher risk of relapse (P = 0.044). Four patients showed out-of-field relapse and 1 showed angular relapse. Three patients were retreated with proton therapy, whereas 2 other patients, one with T1b disease and another with diffuse T3 disease, underwent secondary enucleation. None of the patients experienced metastases nor died of iris melanoma. Vision improved in 59.4% of patients (n = 60/101). However, cataracts occurred in 57.4% of the 54 patients (n = 31) without cataract or implant at diagnosis. Secondary glaucoma was reported in 7.6% of the patients (n = 8), uveitis in 4.7% (n = 5), and hyphema in 3.7% (n = 4). All but 5 cases of complications were mild, transient, and not sight limiting after treatment. Five cases of glaucoma, including 1 with uveitis, were severe and associated with visual deterioration. CONCLUSIONS: Proton therapy showed efficacy and limited morbidity in iris melanomas.
Authors: Nikolas S Hopkins; Ilyse S Kornblau; Christopher E Montes-Sabino; Alan Boom; Matthew W Wilson Journal: Am J Ophthalmol Case Rep Date: 2022-10-07
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