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Vasoactive intestinal polypeptide secreting tumors (VIPomas) are rare pancreatic neuroendocrine tumors associated with profuse diarrhea.
Tests generally appear in the order most useful for common clinical situations
| Test name: Electrolyte Panel |
| ARUP #: 0020410 |
| Methodology: Quantitative Ion-Selective Electrode/Enzymatic |
| Use: Initial testing in evaluation of diarrhea |
| Test name: Vasoactive Intestinal Peptide |
| ARUP #: 0099435 |
| Methodology: Quantitative Radioimmunoassay |
| Use: Measure VIP to aid in diagnosing VIPoma |
| Test name: Chromogranin A by Immunohistochemistry |
| ARUP #: 2003830 |
| Methodology: Immunohistochemistry |
| Use: Aid in histologic identification of neuroendocrine tissue Stained and returned to client pathologist; consultation available if needed |
| Test name: Synaptophysin by Immunohistochemistry |
| ARUP #: 2004139 |
| Methodology: Immunohistochemistry |
| Use: Aid in histologic identification of neuroendocrine tissue Stained and returned to client pathologist; consultation available if needed |
| Test name: Pan Cytokeratin (AE1,3) by Immunohistochemistry |
| ARUP #: 2003433 |
| Methodology: Immunohistochemistry |
| Use: Aid in histologic diagnosis of VIPoma Stained and returned to client pathologist; consultation available if needed |
| Test name: Ki-67 Tissue Assay, Paraffin |
| ARUP #: 0049270 |
| Methodology: Immunohistochemistry |
| Use: Aid in grading of neuroendocrine tumors Determine mitotic rate of tissue Stained and resulted by ARUP |
| Test name: Neuron Specific Enolase, Polyclonal (NSE P) by Immunohistochemistry |
| ARUP #: 2004052 |
| Methodology: Immunohistochemistry |
| Use: Aid in histologic identification of neural and neuroendocrine tissue Stained and returned to client pathologist; consultation available if needed |
| Test name: Protein Gene Product (PGP) 9.5 by Immunohistochemistry |
| ARUP #: 2004091 |
| Methodology: Immunohistochemistry |
| Use: Aid in histologic diagnosis of VIPoma Stained and returned to client pathologist; consultation available if needed |
| Test name: Pancreatic Polypeptide |
| ARUP #: 0099436 |
| Methodology: Quantitative Radioimmunoassay |
| Comments: |