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July 1979

Subacute Sclerosing Panencephalitis

Author Affiliations

Department of Neuropathology Colombian National Institute of Health Apartado Aereo 80334 Bogotá Colombia, SA
Department of Neurology University of Vermont 1 S Prospect St Burlington, VT 05401
Department of Pathology University of Vermont Medical Alumni Building Burlington, VT 05401

Arch Neurol. 1979;36(7):453-454. doi:10.1001/archneur.1979.00500430083022

To the Editor.—  The review article by Risk et al (Arch Neurol 35:494-502, 1978) seems to have overlooked substantial data regarding subacute sclerosing panencephalitis (SSPE) as it occurs in several Latin American countries. It is likely that they are unfamiliar with, or have no access to, the Latin American medical literature. In fact, we1 have recently emphasized the high incidence of SSPE in South America based on the series from São Paulo, Brazil,2 and the large number of cases from Colombia.3 At the Fourth Pan-American Congress of Neurology,4 a total of 110 cases of SSPE were collected from the joint Venezuelan, Peruvian, Mexican, and Colombian series.To our knowledge, this entity was first recognized in Colombia in 1966 by one of us (G.T.), and shortly thereafter, other cases were diagnosed in different areas of the country. A group of 22 patients was reported in 1970 to

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