In 4 0 cases of hepatocellular carcinoma (HCC), 6 cases were positive for bcl-2 pro tein staining (15%). Bcl-2 gene breakpoints were found in 8 cases (20%), 4 case s in mbr site and 4 cases in mcr site.

• 40例肝细胞肝癌中 6例bcl 2蛋白阳性 ,阳性率为 15%25 ,发生bcl 2基因断裂有 8例 ,阳性率为 2 0%25 ,mbr和mcr阳性各 4例 ;