Lymphoblastic leukemia with marked eosinophilia: a report of two cases.

Two cases of acute lymphoblastic leukemia process rather than part of it. A mechanism with eosinophilia are described. The degree for the production of the eosinophilia is of eosinophilia was such that at presentadiscussed, and it is suggested, on the basis tion, a provisional diagnosis of eosinoof our findings, that acute eosinophilic philic leukemia was made. Cytogenetic evileukemia may be of rarer occurrence than dence is presented, indicating that the is already accepted. eosinophilia is reactive to the leukemic