MethodsThe expression of CK20mRNA in the peripheral blood samples of 37 patients with colorectal carcinoma and 8 patients with non-malignant disease by operations on abdomen.

• 方法采用反转录-聚合酶链(RT-PCR)法检测37例行根治手术治疗的结直肠癌患者和8例非恶性病变腹部手术患者的外周血CK20mRNA的表达。