Methods:S-P immunohistochemistry1 Examined the expression of PTEN and survivin in 57 cases of LSCC, 27 cases of adjacent safety margin (ASM) randomized drawn from the LSCC and 22 cases of vocal cord polyp (VCP).

• 1 检测57例喉鳞癌及其中随机抽取的27例癌旁安全缘,22例声带息肉患者中PTEN和survivin的表达。