Myasthenia gravis and thymoma are often presented in association with ∼10% of myasthenic cases having concomitant thymoma. Thymic carcinoma is one of the rarest/aggressive human epithelial tumors and has no correlation with myasthenia gravis hitherto. Here is provided a clinical case and review of literature on a very rare association of thymic carcinoma (with no sign of thymoma) and myasthenia gravis (antiacetylcholine receptor antibody positive). Two years after thymectomy, clinical evolution was satisfactory. This clinical case elicits hypothesis that thymic carcinoma may be related with myasthenia gravis, what may have good prognostic from oncologic and neurologic perspectives.
Conflito de interesses: Não Contribuição dos autores: DTPL coleta de dados, tabulação, delineamento do estudo, discussão dos achados e redação do manuscrito. AMP coleta de dados. FMF delineamento do estudo, elaboração do manuscrito. PLB orientação do projeto, etapas de execução, coleta de dados, discussão dos achados, delineamento do estudo e elaboração do manuscrito. TC orientação do projeto, delineamento do estudo.
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