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Difference between revisions of "Vermiform appendix"
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→Neuroendocrine tumour of the appendix
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===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
* | *Nests of cells - with fibrous stroma in between. | ||
**May have a trabecular architecture. | |||
*Stippled chromatin [[AKA]] salt-and-pepper chromatin, coarse chromatin. | |||
*Classically subepithelial/mural. | |||
Images: | DDx: | ||
*[[Colorectal adenocarcinoma]]. | |||
*[[Crypt cell carcinoma]] (goblet cell carcinoid). | |||
*Metastatic adenocarcinoma. | |||
====Images===== | |||
www: | |||
*[http://www.humpath.com/spip.php?article10881&id_document=19109#documents_portfolio Appendiceal carcinoid (humpath.com)]. | *[http://www.humpath.com/spip.php?article10881&id_document=19109#documents_portfolio Appendiceal carcinoid (humpath.com)]. | ||
*[http://www.brown.edu/Courses/Digital_Path/systemic_path/GI/AppendicealCarcinoid.html Carcinoid of the appendix (brown.edu)]. | *[http://www.brown.edu/Courses/Digital_Path/systemic_path/GI/AppendicealCarcinoid.html Carcinoid of the appendix (brown.edu)]. | ||