Objective To study the bcr/abl fusion gene in chronic myeloid leukemia (CML) cases with Philadelphia chromosome(Ph)negative,and variant Ph translocations and other chromosome anomalies.

• 目的 检测费城染色体 (Philadelphia chromosome,Ph染色体 )阴性、变异型 Ph染色体及伴有其它染色体异常的慢性粒细胞白血病 (chronic myeloid leukemia,CML)的 bcr/abl融合基因。