Purpose To investigate the overexpression of HSPG2,a member of heparan sulfate proteoglycans( HSPGs)protein family,in primary hepatocellular carcinoma( HCC) and its clinical significance. Method Immunohistochemistry was used to detect expression levels of HSPG2 and CD34 proteins in70 cases of HCC tissues and corresponding para-cancer tissues.The expression of HSPG2 in 4 cases of HCC were detected by Western blot,sera from 30 primary HCC patients and 20 normal controls were collected and HSPG2 and AFP levels...