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epithelioid cell |
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epithelioid cell [‚ep·ə′thē·lē‚ȯid ‚sel] (histology) A macrophage that resembles an epithelial cell. Also known as alveolated cell. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Histopathology of the parotid mass revealed that it was made up of a group of lymph nodes whose architecture was preserved; the mass contained a proliferation of histiocytes, hyperplastic follicles, enlarged germinal centers, and epithelioid cells with abundant, pale eosinophilic cytoplasm (figure 2). A lymph node biopsy showed granulomatous lymphadenitis with stellate abscesses surrounded by palisading epithelioid cells. Histology of the deep biopsy specimen identified features of granulomatous inflammation and palisading epithelioid cells, Langhans' giant cells, lymphocytes, and a few neutrophils with small foci of caseous necrosis (figure 1). |
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