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(→Gastric polyps: wikify) |
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*Fundic gland polyp - cystic dilation, flat epithelium. | *Fundic gland polyp - cystic dilation, flat epithelium. | ||
*Adenomatous polyp. | *Adenomatous polyp. | ||
==Inflammatory fibroid polyp== | |||
===General=== | |||
*Benign. | |||
*Through-out GI tract. | |||
===Microscopic=== | |||
Features:<ref name=pmid20393746>{{Cite journal | last1 = Daum | first1 = O. | last2 = Hatlova | first2 = J. | last3 = Mandys | first3 = V. | last4 = Grossmann | first4 = P. | last5 = Mukensnabl | first5 = P. | last6 = Benes | first6 = Z. | last7 = Michal | first7 = M. | title = Comparison of morphological, immunohistochemical, and molecular genetic features of inflammatory fibroid polyps (Vanek's tumors). | journal = Virchows Arch | volume = 456 | issue = 5 | pages = 491-7 | month = May | year = 2010 | doi = 10.1007/s00428-010-0914-8 | PMID = 20393746 }}</ref> | |||
*Proliferating spindle cells (fibroid) - '''key feature'''. | |||
**+/-"Concentric" arrangement. | |||
*Inflammation: | |||
**Eosinophils - often prominent. | |||
===IHC=== | |||
Features:<ref name=pmid20393746/> | |||
*CD34 +ve. | |||
**There is a CD34 -ve variant. | |||
==Hyperplastic polyp== | ==Hyperplastic polyp== |
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