[Histonet] mesenteric node

From:"Kapoor, Sue"

To any experts that can help, I'm posting this from my pathologist:

"We have biopsies of mesenteric node with obvious tumor, morphologically
compatible with a neuroendocrine tumor from pancreas, (patient has a mass in
the tail of the pancreas). Patient also has history of transitional cell of
bladder, which would not be a good histologic fit with the metastatic in the
node. CK7, CK20 and CEA are negative as is Chromogranin. I know CK7 and CK20
negativity is typical for lung small cell, but I can find no reference for
pancreatic neuro-endocrine tumors. The negative Chromogranin is also
puzzling, any ideas??"
Thanks much,
Dr. James Kranz

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