Methods: Biotinylated DNA probe from sorted human chromosome 15 was hybridized to the metaphase spreads of 10 cases of APL.G-banding technique was also used in these samples.

• 方法：以生物素标记的人类15号染色体特异的DNA为探针，对10例APL患者骨髓中期分裂相进行杂交，所有病例均进行G显带分析。