Correlation between morphology and immunophenotype in the diagnosis of pure erythroid leukemia

Pure erythroid leukemia is a rare entity that represents less than 5% of pediatric acute myeloid leukemias and is classified according to the World Health Organization (WHO) within the group of unspecified acute leukemias. A clinical case of a 5-year-old patient admitted with septic arthritis in the Pediatric Hospital, he also presenting with fever and anemia, for which a medullogram and immunophenotype were performed and erythroleukemia was diagnosed. It can be concluded that it is necessary for its diagnosis to integrate clinical, morphological and immunophenotypic, genetic and molecular studies.