Table 1

Incidence of the pathological lesions in gallbladder and intrahepatic biliary duct in BK5.ErbB-2A transgenic micea

LesionAge (mo)
0.51234–8
Gallbladder
 Adenoma50% (2/4)43% (3/7)33% (2/6)0% (0/12)0% (0/23)
 Adenocarcinoma50% (2/4)43% (3/7)67% (4/6)100% (12/12)100% (23/23)
Liver
 Cholangiocarcinoma0% (0/4)0% (0/7)0% (0/6)25% (3/12)30% (7/23)
Cystic duct adenocarcinoma50% (2/4)43% (3/7)67% (4/6)100% (12/12)100% (23/23)
Common bile duct
 Adenocarcinoma0% (0/4)28% (2/7)50% (3/6)84% (10/12)87% (20/23)
  • a Numbers in parentheses are positive cases of total examined for that age group.