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ENT
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salivary gland
epithelial myoepithelial carcinoma
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Histology
major salivary glands
particularly parotid
myoepithelial cells
ductal cells
Stains
myoepithelial cells: SMA, p63, S100
ductal cells: CK
Ddx
pleomorphic adenoma
mesenchymal (hyaline, cartilage, bone) component
myoepithelial carcinoma
no ducts
adenoid cystic carcinoma
PLGA
minor salivary glands