[Epidemiologic study of myasthenia in Uruguay].

During the period 1960 to 1976 170 cases of myasthenia were analyzed in the Laboratorio de Afecciones Neuromusculares del Instituto de Neurologia de Montevideo. This is an epiderom the total), pregnancy, surgical treatment (Thymectomy, 6%), lethally (13%). It is concluded that myasthenia is an unfrequent disease, with female prevalence (58%); between 30 to 70 years, starting by oculomotor signs (74%) and of severe prognosis in 24% of cases.