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      Familial myasthenia gravis: report of four cases Translated title: Miastenia grave familial: registro de quatro casos

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          Abstract

          Two pairs of siblings with myasthenia gravis, belonging to two different families, are reported. This is the only record of familial myasthenia during the past twenty years, in a total of 145 patients seen at the Neurological Clinic of the São Paulo Medical School. In spite of the fact that myasthenia gravis does not show hereditary characteristics, the peculiar features of the four cases justify the present report. The two pairs of siblings were born from non myasthenic nor consanguineous parents. The disease started at birth showing bilateral partial eyelid ptosis in all patients. The course of the illness has been favorable. There was no thymoma.

          Translated abstract

          Os autores registram dois pares de gêmeos com miastenia grave, pertencentes a duas famílias diferentes. Este é o único registro de miastenia familial durante os últimos 20 anos, num total de 145 pacientes examinados na Clínica Neurológica da FMUSP. Apesar do fato de a miastenia grave não ter características hereditárias, os aspectos peculiares dos quatro pacientes justificam o presente registro. Os dois pares de gêmeos nasceram de pais não miastênicos e sem consanguinidade. A doença iniciou-se no nascimento, evoluindo com ptose bilateral parcial da pálpebra superior precocemente em todos os pacientes. O curso da moléstia tem sido favorável. Não havia timoma.

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          Most cited references17

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          Myasthenia gravis.

          D Drachman (1994)
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            Myasthenia gravis in children: its familial incidence

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              Studies in myasthenia gravis: neonatal and juvenile types. A report of 21 and a review of 188 cases

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                anp
                Arquivos de Neuro-Psiquiatria
                Arq. Neuro-Psiquiatr.
                Academia Brasileira de Neurologia - ABNEURO (São Paulo )
                1678-4227
                September 1976
                : 34
                : 3
                : 215-222
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S0004-282X1976000300001
                10.1590/S0004-282X1976000300001
                ce28eece-06b5-4a43-8228-f93b0d64dc0c

                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=0004-282X&lng=en
                Categories
                NEUROSCIENCES
                PSYCHIATRY

                Neurosciences,Clinical Psychology & Psychiatry
                Neurosciences, Clinical Psychology & Psychiatry

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