By using terminal deoxynuceotidy transferase mediated dUTP nick end labeling(TUNEL),apoptotic cells were detected in situ in 50 ECAC specimens.

• 采用脱氧核糖核酸末端转移酶介导的缺口末端标记技术 (TUNEL) ,对其中 4 0例贲门癌组织中凋亡的TIL及肿瘤细胞进行观察。