Copyright ©2010 Baishideng Publishing Group Co.
World J Hepatol. Dec 27, 2010; 2(12): 419-427
Published online Dec 27, 2010. doi: 10.4254/wjh.v2.i12.419
Table 2 Classification of intrahepatic cholangiocarcinoma
New classification of ICCTraditional classification of ICC
Conventional type (bile duct type type)Adenocarcinoma
Small bile duct type (peripheral type)Well differentiated
Well differentiatedModerately differentiated
Moderately differentiatedPoorly differentiated
Poorly differentiated
Large bile duct type (perihilar type)
Well differentiated
Moderately differentiated
Poorly differentiated
Bile ductular type
Intraductal type
Papillary type
Tubular type
Superficial spreading type
Rare variantsRare variants
Squamous/adenosquamous cell typeSquamous/adenosquamous cell type
Mucinous/signet ring cellMucinous/signet ring cell
Clear cell typeClear cell type
Undifferentiated typeUndifferentiated type
Lymphoepithelial typeLymphoepithelial type