[Use of flow cytometry in the diagnosis of acute leukemias in childhood].

The authors examined, using the method of flow cytometry, 56 children with acute lymphoblastic leukaemia. Leukaemic cells of the bone marrow aspirate and peripheral blood were examined on a FACS 440 apparatus for establishment of the diagnosis before treatment was initiated. Individual immunological subtypes were differentiated by means of a panel of monoclonal antibodies.