Table 1.

Patient characteristics

ID*	Age	Source	Cytogenetics	Viability,†%
96	69	PB	46, XX	65
200	20	BM	No metaphase	80
240	39	PB	45, XX del 20{8}/46, XX{14}	50
359	42	PB	46,XX,t(7;14)(p15;q11.2),+8,t(9;22)(q34;q11.2){1/46, XX{6}	95
			FISH for BCR/ABL 41% positive 82/200 cells

PB indicates peripheral blood; BM, bone marrow.

^*ID assigned in de-identified leukemia data base at University of Pennsylvania

^†Viability represents percentage of cells capable of excluding trypan blue after sample thawing