Methods CD68 and PCNA were detected by immunohistochemical LSAB method on serial synovial sections of 26 cases of RA,20 cases of control non-RA and 7 cases of normal synovia.

• 方法采用免疫组化LSAB法对26例RA滑膜，20例非RA滑膜及7例正常滑膜进行连续切片CD68和PCNA染色。