Resumen

ALCOBA LEZA, M. et al. Sarcoidosis in a sanitary area at Leon (Spain): Epidemiology and clinical features. An. Med. Interna (Madrid) [online]. 2003, vol.20, n.12, pp.21-24. ISSN 0212-7199.

Background: The incidence of sarcoidosis is different among distincts geographic areas, probably due to climate variations. At present, there is in Spain few studies that correlate the observed cases with a concrete population. The aim of this study is to investigate the epidemiology of sarcoidosis in Leon's sanitary area, in comparison with others spanish geographic areas. Moreover, we present a description of the clinic and radiologic characteristics of the studied cases. Method: We analyzed the cases of sarcoidosis attended in the area from 1993 until 2001. The incidence, age, sex, place of residence and clinic-radiologic characteristics are described. The population data of the sanitary area to calculate the incidence were obtain from the Insalud's data base. The climatology values were collected from the National Institute of Meteorology. Results: The incidence of sarcoidosis in Leon's sanitary area was 1,37/100.000 habitants/year, and was similar to that founded in Catalonia, Galizia and others provinces of the Castilla and Leon community. We observed a higher incidence of sarcoidosis in female patients, because of predominance of cases among women aged forty years or more. No differences between rural and urban populations were founded. The clinical characteristics were similar those described in other geographics areas of our country. Conclusion: Although there are climate differences between the geographics areas of Spain, these aren't enough to explain his influence in the incidence of sarcoidosis, which is similar in all of them, at least in the middle north of the country.

Palabras clave : Sarcoidosis; Incidence; Epidemiology.

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