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| Micro = small clusters of cells with stippled chromatin and a goblet cell-like appearance | | Micro = small clusters of cells with stippled chromatin and a goblet cell-like appearance | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[signet ring cell carcinoma]], [[appendiceal neuroendocrine tumour]] | | LMDDx = [[signet ring cell carcinoma]], [[appendiceal neuroendocrine tumour]], poorly differentiated adenocarcinoma | ||
| Stains = [[alcian blue stain|alcian blue]] +ve, [[PASD stain|PASD]] +ve, [[mucicarmine stain|mucicarmine]] +ve | | Stains = [[alcian blue stain|alcian blue]] +ve, [[PASD stain|PASD]] +ve, [[mucicarmine stain|mucicarmine]] +ve | ||
| IHC = synaptophysin +ve, chromogranin +ve, S-100 +ve, CK20 +ve | | IHC = synaptophysin +ve, chromogranin +ve, S-100 +ve, CK20 +ve | ||
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*[[Appendiceal neuroendocrine tumour]]. | *[[Appendiceal neuroendocrine tumour]]. | ||
*[[Signet ring cell carcinoma]]<ref name=pmid22933998>{{Cite journal | last1 = Pericleous | first1 = M. | last2 = Lumgair | first2 = H. | last3 = Baneke | first3 = A. | last4 = Morgan-Rowe | first4 = L. | last5 = E Caplin | first5 = M. | last6 = Luong | first6 = TV. | last7 = Thirlwell | first7 = C. | last8 = Gillmore | first8 = R. | last9 = Toumpanakis | first9 = C. | title = Appendiceal goblet cell carcinoid tumour: a case of unexpected lung metastasis. | journal = Case Rep Oncol | volume = 5 | issue = 2 | pages = 332-8 | month = May | year = 2012 | doi = 000339607 | PMID = 22933998 }}</ref> - cells more detached, no neuroendocrine differentiation. | *[[Signet ring cell carcinoma]]<ref name=pmid22933998>{{Cite journal | last1 = Pericleous | first1 = M. | last2 = Lumgair | first2 = H. | last3 = Baneke | first3 = A. | last4 = Morgan-Rowe | first4 = L. | last5 = E Caplin | first5 = M. | last6 = Luong | first6 = TV. | last7 = Thirlwell | first7 = C. | last8 = Gillmore | first8 = R. | last9 = Toumpanakis | first9 = C. | title = Appendiceal goblet cell carcinoid tumour: a case of unexpected lung metastasis. | journal = Case Rep Oncol | volume = 5 | issue = 2 | pages = 332-8 | month = May | year = 2012 | doi = 000339607 | PMID = 22933998 }}</ref> - cells more detached, no neuroendocrine differentiation. | ||
*Poorly differentiated [[adenocarcinoma]]. | *Poorly differentiated [[adenocarcinoma]] - see ''[[colorectal carcinoma]]''. | ||
===Images=== | ===Images=== |
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