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Epithelioid cells formed in culture of mouse peritoneal cells, stimulated by inactivated Mycobacterium tuberculosis, in a micro-chamber for lifetime observation; 14 days of cultivating. Numerous secretory granules are visible in the cytoplasm of cells. In the culture medium epithelioid cell granules and apoptotic bodies from macrophage are visible. Dystrophic altered macrophages are colored red. A method of interferential contrast in polarized light.
According to a common point of view epithelioid cells (also called epithelioid histiocytes)
are derivatives of activated macrophages resembling epithelial cells.[1][2][3]
^"Epithelioid cell". Oxford Reference:epithelioid cell. Oxford University Press. January 2010. ISBN 978-0-19-953301-5.
^Van Furth R, Cohn ZA, Hirsch JG, Humphrey JH, Spector WG, Langevoort HL (1972). "The mononuclear phagocyte system: a new classification of macrophages, monocytes, and their precursor cells". Bull World Health Organ. 46 (6): 845–52. PMC 2480884. PMID 4538544.
^Ramakrishnan L (April 2012). "Revisiting the role of the granuloma in tuberculosis". Nat Rev Immunol. 12 (5): 352–66. doi:10.1038/nri3211. PMID 22517424. S2CID 1139969.
point of view epithelioidcells (also called epithelioid histiocytes) are derivatives of activated macrophages resembling epithelial cells. Structurally...
Perivascular epithelioidcell tumour, also known as PEComa or PEC tumour, is a family of mesenchymal tumours consisting of perivascular epithelioidcells (PECs)...
Epithelioid may refer to: Epithelioidcell, a cell that resembles epithelial cellsEpithelioid sarcoma, a soft tissue tumour Epithelioid hemangioendothelioma...
and numerous lipid-filled vesicles. The mammalian Leydig cell is a polyhedral epithelioidcell with a single eccentrically located ovoid nucleus. The nucleus...
Epithelioidcell histiocytoma is a rare skin condition that is considered to be a variant of a dermatofibroma. Pleomorphic lipoma List of cutaneous conditions...
Epithelioid sarcoma is a rare soft tissue sarcoma arising from mesenchymal tissue and characterized by epithelioid-like features. It accounts for less...
Langhans giant cells (LGC) are giant cells found in granulomatous conditions. They are formed by the fusion of epithelioidcells (macrophages), and contain...
lung disease called lymphangioleiomyomatosis, and treat perivascular epithelioidcell tumor (PEComa). It has immunosuppressant functions in humans and is...
is characterized by the formation of epithelioidcell granulomas consisting of a large number of epithelioidcells. In this form of leprosy, Mycobacterium...
it affects the epidermis and dermis. It is also known as an epithelioid and spindle-cell nevus, and misleadingly as a benign juvenile melanoma,: 691 ...
diagnosis for Langhans giant cell. Also known as xanthelasmatic giant cells, Touton giant cells consist of fused epithelioid macrophages and have multiple...
and are greasy-white in color and are formed from macrophages and epithelioidcells. They are indicative of inflammatory disease. Mutton fat KPs are due...
tattoo marks. Histologically, it shows presence of epithelioidcell granulomas with Langhans giant cells with or without central caseation necrosis in the...
consisting of perivascular epithelioidcells (cells which are found surrounding blood vessels and which resemble epithelial cells). A tumour of this kind...
Epithelioid hemangioendothelioma (EHE) is a rare tumor, first characterized by Sharon Weiss and Franz Enzinger in 1982 that both clinically and histologically...
because their histologic appearance resembles a proliferation of epithelioidcells, with polygonal shape and eosinophilic cytoplasm. Composite hemangioendothelioma...
Cell culture or tissue culture is the process by which cells are grown under controlled conditions, generally outside of their natural environment. After...
cancerous neoplasm defined by epithelioidcells with variable-sized nuclei, substantial melanin deposition in neoplastic cells, and associated melanophages...
differentiation (SETTLE) is a lobulated tumor composed of spindle cells and epithelioidcell component with glands, mucinous cysts, and/or squamous nests (f...
Dermal nevus cells can be further classified: type A (epithelioid) dermal nevus cells mature into type B (lymphocytoid) dermal nevus cells which mature...
morphologically characterized by multiple foci malignant mesenchymal epithelioidcells with, often with admixed necrosis, and a perivascular growth pattern...
This consists of giant multinucleated cells and (Langhans cells), surrounded by epithelioidcells aggregates, T cell lymphocytes and fibroblasts. Granulomatous...
of epithelioidcells around fibrovascular cores. Micropapillary: Papillary tufts without fibrovascular cores Fascicular: Generally the same cell type...
inconsistent with diagnosis of IgG4-related disease which are the presence of epithelioidcell granulomas and a prominent neutrophilic infiltrate. Sclerosing polycystic...
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