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      Autofluorescence and spectral-domain optical coherence tomography of optic disk melanocytoma Translated title: Autofluorescência e tomografia de coerência óptica de domínio espectral do melanocitoma do disco óptico

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          Abstract

          The authors report fundus autofluorescence (FAF) and spectral-domain optical coherence tomography (OCT) findings of two consecutive patients who presented with optic disk melanocytoma (ODM). A retrospective study was performed by reviewing medical records and ophthalmic imaging examinations. Optical coherence tomography findings were sloped and brightly reflective anterior tumor surface, adjacent retinal desorganization and abrupt posterior optical shadowing. Vitreous seeds were found in one patient. Fundus autofluorescence revealed outstanding hypoautofluorescence at the tumor area and isoautofluorescence at the remaining retina. Optical coherence tomography findings of the reported cases are consistent with those reported in the reviewed literature. Fundus autofluorescence has been used in the assessment of choroidal melanocytic tumors, but not yet in melanocytomas. We assume that this is the first report of these findings and believe that when its pattern has become clearly defined, fundus autofluorescence will be a useful tool to avoid misdiagnosis in suspicious cases and for follow-up.

          Translated abstract

          Os autores descrevem os achados do exame de autofluorescência do fundo de olho (AF) e da tomografia de coerência óptica (TCO) de domínio-espectral em dois pacientes consecutivos apresentando melanocitoma disco óptico (MDO) em um estudo retrospectivo, por revisão dos prontuários e exames oftalmológicos de imagem. Os achados no exame de tomografia de coerência óptica foram hiperrefletividade e elevação da superfície anterior da lesão, desorganização da retina adjacente, e, sombreamento óptico posterior. Sementes vítreas foram encontrados em um paciente. O exame de autofluorêscencia do fundo de olho revelou hipoautofluorescência marcante na área do tumor e isoautofluorescência nas demais áreas da retina. As características encontradas na tomografia de coerência óptica dos pacientes apresentados são consistentes com os achados relatados na literatura atual. A autofluorêscencia do fundo de olho tem sido utilizada na avaliação de tumores melanocíticos da coroide, mas ainda não em melanocitomas. Acreditamos que este seja a primeira descrição dos achados de autofluorêscencia do fundo de olho em pacientes com melanocitoma de disco óptico e que, quando seu padrão de tornar-se claramente definido, a autofluorêscencia do fundo de olho será uma ferramenta útil para evitar erros de diagnóstico em casos suspeitos.

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          Ophthalmic Pathology, an Atlas and Textbook

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            Optical coherence tomography: pathology correlation of optic disc melanocytoma.

            To correlate combined optical coherence tomography (OCT) and scanning laser ophthalmoscope (SLO) imaging to clinical and histopathologic characteristics of optic disc melanocytoma (ODM).
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              Ocular melanocytoma.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abo
                Arquivos Brasileiros de Oftalmologia
                Arq. Bras. Oftalmol.
                Conselho Brasileiro de Oftalmologia (São Paulo )
                1678-2925
                December 2014
                : 77
                : 6
                : 400-402
                Affiliations
                [1 ] Clínica de Olhos Leitão Guerra Brazil
                [2 ] Universidade Federal da Bahia Brazil
                [3 ] Fundação Monte Tabor Brazil
                Article
                S0004-27492014000600019
                10.5935/0004-2749.20140100
                ba8ad18a-d07f-4f11-b73b-8f915a67f975

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0004-2749&lng=en
                Categories
                OPHTHALMOLOGY

                Ophthalmology & Optometry
                Melanoma/diagnosis,Optic nerve neoplasms/diagnosis,Tomography, optical coherence,Fluorescein angiography,Humans,Male,Female,Adult,Case reports,Melanoma/diagnóstico,Neoplasias do nervo óptico/diagnóstico,Tomografia de coerência óptica,Angiofluoresceinografia,Humanos,Masculino,Feminino,Adulto,Relato de casos

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