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Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Mar 27, 2016; 8(3): 212-221
Published online Mar 27, 2016. doi: 10.4240/wjgs.v8.i3.212
Table 1 Histopathologic subtypes of duodenal adenocarcinoma
PhenotypeHistological characteristicsHistologically similarImmunophenotype markersPrognosis
IntestinalTubular/cribiforming glands lined by columnar neoplastic cellsColonic adenocarcinomaMUC2, CD10, CDX2+
GastricTubular/papillary proliferation with foveolar or pyloric-type differentiationGastric adenocarcinomaMUC5AC, MUC6-
PancreaticobiliarySimple glands of cuboidal/columnar cells with rounded pleomorphic nuclei; prominent desmoplastic stromaPancreatic and Extrahepatic bile duct adenocarcinomaMUC1-
IndeterminatePoor differentiationNoneMUC1-