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Difference between revisions of "Ampulla of Vater"
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→Classification
m (→Classification) |
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| Line 48: | Line 48: | ||
! Prevalence | ! Prevalence | ||
! Origin/definition | ! Origin/definition | ||
! | ! Notes/subclassification | ||
|- | |- | ||
| Intra-ampullary | | Intra-ampullary papillary-tubular carcinoma | ||
| ~25% of cases | | ~25% of cases | ||
| arises from intra-ampullary epithelium and/or distal end of CBD or pancreatic duct | | arises from intra-ampullary epithelium and/or distal end of CBD or pancreatic duct | ||
| | | generalized category ''intra-ampullary papillary-tubular neoplasm'' -- the ampullary counterpart of the [[IPMN]] of the pancreas | ||
|- | |- | ||
| Ampullary-ductal carcinoma | | Ampullary-ductal carcinoma | ||
| Line 63: | Line 63: | ||
| ~5% of cases | | ~5% of cases | ||
| primarily in the duodenal, ampullary orfice must be clearly within lesion | | primarily in the duodenal, ampullary orfice must be clearly within lesion | ||
| (1) intestinal type, (2) mixed mucinous-intestinal type | | subclassifiction: (1) intestinal type, (2) mixed mucinous-intestinal type | ||
|- | |- | ||
| Ampullary carcinoma not otherwise specified | | Ampullary carcinoma not otherwise specified | ||