Background: There are very few studies that report the incidence of acute leukemias in children in Latin America. This work assesses the incidence of acute leukemias, between 1996 and 2000, in children from 0-14 years old who were attended at the Mexican Social Security Institute in Mexico City and in children from 0-11 years old in El Salvador.

CORRESPONDENCESimple methods for the rapid exchange of flow cytometric data between remote centers TO THE EDITORThe flow cytometric analysis of cellular immunophenotypes and DNA content has become indispensable in the modern classification of leukemia and lymphoma. The multiple applications of this technology include determination of the lineage association of malignant cells, assessment of their clonality, identification of prognostic indicators and monitoring of minimal residual disease.

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