In 38 CML patients, 34 (89.5%) were positive, with one having a typical t(9;22) at first, which changed into negative after having been treated with interferon for 38 months.

• 38例CML患者中 ；bcr/abl阳性为 34例 ；占 89.；5%25；其中 1例患者发病时；细胞遗传学显示典型的t(9;2 2 )；应用干扰素治疗 38个月后；bcr/abl基因转为阴性 ;