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Difference between revisions of "Pleomorphic adenoma"
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| Micro = proliferation of myoepithelium in a mesenchymal stroma +/- epithelium; cells in ducts = epithelial, cells not in ducts = myoepithelial, mesenchymal stroma = [[chondromyxoid stroma|chondroid]] stroma (specific), others (require epithelium) mucochondroid, hyalinized, osseous, fatty, myxoid | | Micro = proliferation of myoepithelium in a mesenchymal stroma +/- epithelium; cells in ducts = epithelial, cells not in ducts = myoepithelial, mesenchymal stroma = [[chondromyxoid stroma|chondroid]] stroma (specific), others (require epithelium) mucochondroid, hyalinized, osseous, fatty, myxoid | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[myoepithelioma]], [[carcinoma ex pleomorphic adenoma]], [[epithelial-myoepithelial carcinoma]], [[polymorphous low-grade adenocarcinoma]] | | LMDDx = [[myoepithelioma]], [[carcinoma ex pleomorphic adenoma]], [[epithelial-myoepithelial carcinoma]], [[polymorphous low-grade adenocarcinoma]], [[adenoid cystic carcinoma]] | ||
| Stains = | | Stains = | ||
| IHC = S-100 +ve, SMA +ve, GFAP +ve | | IHC = S-100 +ve, SMA +ve, GFAP +ve | ||
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*[[Carcinoma ex pleomorphic adenoma]]. | *[[Carcinoma ex pleomorphic adenoma]]. | ||
*[[Epithelial-myoepithelial carcinoma]]. | *[[Epithelial-myoepithelial carcinoma]]. | ||
*[[Polymorphous low-grade adenocarcinoma]]. | |||
*[[Adenoid cystic carcinoma]]. | *[[Adenoid cystic carcinoma]]. | ||