Objective To study the cytogenetic and immunophenotype features in acute monocytic leukemia(M5) and acute myelomonocytic leukemia(M4).

CD37 is also present, at low densities, on resting and activated t cells, neutrophils, monocytes, and some myelomonocytic leukemia cells.

Object:To evaluate the prognostic impact of trisomy 8 on cytobiological and clinical features in acute myelomonocytic and monocytic leukemia (M4, M5).