two male patients with myelodysplastic syndromes , one with refractory anemia with excess blasts ( raeb ) , the other with chronic myelomonocytic leukemia both had in their bone marrow and peripheral blood cells the same abnormal karyotype 46 , x , -y , + der ( y ) t ( y ; 1 ) ( q12 ; q21 ) .
C0002894
with refractory anemia
C0005953
bone marrow