Abstract

GUEVARA DONDE, JAIME E. Incidencia de gliomas malignos en derechohabientes del IMSS residentes en el estado de Veracruz, México. Arch. Neurocien. (Mex., D.F.) [online]. 2004, vol.9, n.2, pp.80-84. ISSN 1028-5938.

Objetive: confirm if as in the develop my countries exists an increment in the incidence and mortality by malignant glioma in elderly patients over 60 years old residents in the Veracruz state. Material and method: 151 patients were studied, ages (0-80 years old), with confirmed diagnosis of cerebral glioma, seen in the last years. They were divided in benign and malignant gliomas by age and sex groups. The annual incidence average (x10) was estimated taking a sample of the crowd by the statistic, geographic and incidence National Institute denominators. Finally we analyzed the mortality frequency by groups and malignancy tumor grade. Result: the benign gliomas occurs in the 70% of the patients under 20 years old, frequently located in the posterior fosse. On the other hand the 87.5% of the patiens over 61 years old have supratentorial location malignant gliomas. The incidence showed a minimum increment going of 0.15 to 0.19 in this patients with a 50% mortality. Conclusion: we observed a minimum increment in the incidence and mortality by malignant gliomas in people over 61 years old from the Veracruz state. The quick and highest covers or medical attention hand a determinant statistic influencen the results.

Keywords : brain tumor; malignant glioma; incidence; mortality.