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| Width = | | Width = | ||
| Caption = Crypt cell carcinoma. [[H&E stain]]. | | Caption = Crypt cell carcinoma. [[H&E stain]]. | ||
| Micro = | | Micro = small clusters of cells with stippled chromatin and a goblet cell-like appearance | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = | | LMDDx = [[signet ring cell carcinoma]], [[appendiceal neuroendocrine tumour]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = synaptophysin +ve, chromogranin +ve, S-100 +ve, CK20 +ve | ||
| EM = | | EM = | ||
| Molecular = | | Molecular = | ||
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**Synaptophysin +ve. | **Synaptophysin +ve. | ||
**Chromogranin +ve. | **Chromogranin +ve. | ||
* | *S-100 +ve. | ||
*NSE +ve. | *NSE +ve. | ||
*Serotonin +ve. | *Serotonin +ve. | ||
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==See also== | ==See also== | ||
*[[Vermiform appendix]]. | *[[Vermiform appendix]]. | ||
*[[Signet ring cell carcinoma]]. | |||
*[[Neuroendocrine tumours]]. | |||
==References== | ==References== |
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