Surgical Pathology Criteria

Intraductal Oncocytic Papillary Neoplasm of the Pancreas

Supplemental Studies

Immunohistology

PASd or mucicarmine Intracytoplasmic lumens and goblet cells positive
PTAH or Novelli stain Positive (mitochondria)
B72.3 Positive
MUC1, MUC2, MUC5AC Positive
CEA Occasional weak staining of intracytoplasmic lumens
Synaptophysin 1/11 positive
Chromogranin 1/11 positive
CA19-9 1/11 positive

Genetic studies

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