|From:||"Nader, Alexander" <email@example.com>|
> -----Original Message-----
> We have an interesting lesion near the serosal surface in a
> section of small bowel composed of "signet-ring" -like cells
> that show immunoreactivity (both nuclear and cytoplasmic) for
> calretinin. These same cells are cytokeratin-7 negative;
> therefore, they are not mesothelial cells. Any ideas on
> their lineage?
> R. Cartun
Are those cells "benign" cells? Most cells of the ovary are calretinin
positive, so I would try also some inhibins (Serotec sells good ones which
stain bright without background) The only other calretinin positive tumor
I'm aware of is myxoma which probable isn't.
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