Difference between revisions of "Ampulla of Vater"

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151 bytes added ,  00:13, 17 October 2012
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! Prevalence
! Prevalence
! Origin/definition
! Origin/definition
! Subclassification
! Notes/subclassification
|-
|-
| Intra-ampullary (papillary-tubular) carcinoma  
| 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  
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| ~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  
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