Full Description
Identifies pancreatic polypeptide–producing cells located mainly in the pancreatic islets. It is useful for detecting PP-cell neoplasms, including pancreatic neuroendocrine tumors that produce pancreatic polypeptide, and for characterizing islet cell differentiation in pancreatic lesions.
Methodology
IHC
Specimen Requirements
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred. Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked. Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Storage and Transportation
Use cold pack for transport. Make sure cold pack is not indirect contact with specimen.
Turnaround Time
24 Hrs
CPT Codes
88342x1 or 88341x1