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1·Methods the expression of AKT, PTEN had be detected for the specimens of 48 osteosarcoma and 15 exostosis with immunohistochemistry SABC method.

方法采用免疫组织化学SABC法检测48例骨肉瘤、15例骨软骨瘤标本中akt、PTEN表达的阳性细胞。