Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique and immunohistochemistry method were applied to detect NPC tissue and normal nasopharyngeal tissue (NNPT).

• 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)和免疫组化方法检测鼻咽低分化鳞状细胞癌和正常鼻咽黏膜组织。