Results: The positive rate of P27 protein expression was 100%(20/20) in polyps of vocal cord and was 67.3%(35/52) in squamous cell carcinomas.

• 结果:P27蛋白在声带息肉组织的表达阳性率为100%25(20/20)；在头颈部鳞癌组织中阳性率为67.；3%25(35/52)；二者差异有显著性(P<0