Results Of 26 patients,positive insert gene region of TA-GVHD and negtive specific gene region of the Y chromosome were detected in 14 cases after transfusion.The incidence of TA-GVHD was 53.8%.

• 结果26例患者中；有14例患者输血后出现Y染色体特异基因片段检测阴性而同时TA_GVHD插入基因片段检测阳性的结果；发生率为53.；8%25。