The telomerase activity ofspecimens of hu man laryngealsquamous cell carcinoma ,laryngeal papilloma , vacol cord polypi, tumor surround ing mucosa and normal mucosa of vacolcord were examined by using telomeric repeat amplification protocol PCR.

• 方法： 采用端粒酶重复扩增?聚合酶链反应技术检测喉鳞状细胞癌、癌旁组织、喉乳头状瘤、声带息肉及正常声带粘膜的端粒酶活性。