Surgical Pathology Criteria

Acinar Cell Cystadenoma of the Pancreas

Supplemental Studies

Immunohistology

Immunohistochemistry is not usually necessary for diagnosis
  Acinar Type Cells Ductal Type Cells
CK7 Pos (fainter) Pos (strong)
CK19 Neg Pos
Trypsin Pos Neg
Chymotrypsin Pos Neg
Lipase Variable Neg
Synaptophysin Neg Neg
Chromogranin Neg Neg
(Normal, non-reactive acinar cells are negative for CK7)

 

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