Methods Immunohistochemical method was used to detect the expression of PTEN gene in 146 cases of breast carcinoma and 10 specimens of normal breast tissue closely adjacent to carcinoma.

• 方法采用免疫组化染色检测146例乳腺癌组织和10例乳腺癌癌旁正常组织PTEN蛋白的表达情况。