Patient Characteristics.

<p><b>Abbreviations:</b> +8, trisomy 8; PB, peripheral blood; PHA, phytohemagglutinin; RA, refractory anemia; RCUD, refractory cytopenia with unilineage dysplasia; RCMD, refractory cytopenia with multilineage dysplasia; RAEB, RA with excess of blasts; MDS-U, myelodysplastic syndrome unclassified; RARS-T, RA with ringed sideroblasts and thrombocytosis; CMML, chronic myelomonocytic leukemia; AML, acute myeloid leukemia; AML-MDRC, AML with myelodysplasia-related changes; AML NOS, AML not otherwise specified; APL, acute promyelocytic leukemia. In bold patient with constitutional trisomy 8 mosaicism.</p><p>Patient Characteristics.</p