EGR1 and myelodysplastic syndrome: Fluorescence in situ hybridization (FISH) for adult acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS) identified no mutations using probes 5p15.2 (D5S23, D5S721), 5q31 (EGR1), 7cen(D7Z1), 7q31 (D7S522), 8cen (D8Z2), 11q23 (MLL), 20q12 (D20S108), and 20q13.12 (D20S150).