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      Ocular copper deposition associated with monoclonal gammopathy of undetermined significance: case report Translated title: Depósito ocular de cobre associado a gamopatia monoclonal de significância indeterminada: relato de caso

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          Abstract

          To report a case of ocular copper deposition in both eyes at the level of Descemet's membrane associated with a monoclonal gammopathy of undetermined significance (MGUS). A 49-year-old white woman had golden-brown metallic dust-like deposits on Descemet's membrane of both eyes. A systemic examination revealed an elevated serum copper, normal serum ceruloplasmin and a normal level of total protein. Serum protein electrophoresis demonstrated a single peak (M-spike) in the gamma region (M-protein in serum = 11 g/l). Flow cytometric analysis of the marrow aspirate identified a monoclonal plasma cell population that represents approximately 2% of the total marrow cells consistent with the diagnosis of monoclonal gammopathy of undetermined significance. Copper deposits at the level of Descemet's membrane may be a finding in a patient with monoclonal gammopathy of undetermined significance.

          Translated abstract

          Relatar um caso de depósito corneano de cobre em ambos os olhos a nível da membrana de Descemet associado a gamopatia monoclonal de significância indeterminada (GMSI). Paciente feminina, 49 anos, leucodérmica, apresentando depósito corneano de aspecto marrom-ouro a nível da membrana de Descemet em ambos os olhos. Exame sistêmico revelou cobre sérico elevado, ceruloplasmina sérica normal, e proteína total normal. Eletroforese de proteínas séricas demonstrou um pico único na região gama (proteína M = 11 g/l). Análise citométrica de aspirado medular evidenciou uma população de células plasmáticas monoclonais de aproximadamente 2% do total de células medulares consistente com o diagnóstico de gamopatia monoclonal de significância indeterminada. Depósitos de cobre a nível da membrana de Descemet podem ser encontrados em pacientes com gamopatia monoclonal de significância indeterminada.

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          Most cited references18

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          Copper homeostasis in the mammalian system.

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            The Kayser-Fleischer ring; a histochemical and electron microscope study.

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              Serum copper and its relationship to clinical symptoms in rheumatoid arthritis

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                Author and article information

                Contributors
                Role: ND
                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
                August 2005
                : 68
                : 4
                : 539-541
                Affiliations
                [1 ] Universidade Federal de Minas Gerais Brazil
                [2 ] Hospital Oftalmológico de Brasília Brazil
                [3 ] Wills Eye Hospital USA
                [4 ] Wills Eye Hospital
                [5 ] Jefferson Medical College USA
                Article
                S0004-27492005000400021
                10.1590/S0004-27492005000400021
                21587a89-341a-47b1-8aea-ef164fc84d79

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

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                SciELO Brazil

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

                Ophthalmology & Optometry
                Copper,Blood protein electrophoresis,Descemet's membrane,Gama-globulins,Paraproteinemias,Cobre,Eletroforese de proteínas sangüíneas,Membrana de Descemet,Gamaglobulina

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