Conclusion TCR V β subfamily T cells selective express on blast crisis of CML, T cell clonality expansion may be found in myeloid blast crisis of CML cases, suggesting that may indicate a host response directed against leukemia cell relatION antigen. 结论:CML急变期外周血仅选择性表达部分Vβ亚家族T细胞;CML急粒变存在克隆性增殖T细胞,这可能是机体对白血病细胞相关抗原的一种直接反应。