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A giant cell (also known as a multinucleated giant cell, or multinucleate giant cell) is a mass formed by the union of several distinct cells (usually histiocytes), often forming a granuloma. [ 1 ] Although there is typically a focus on the pathological aspects of multinucleate giant cells (MGCs), they also play many important physiological roles.
Touton giant cells, being multinucleated giant cells, can be distinguished by the presence of several nuclei in a distinct pattern. This pattern is described as a ring-like or wreath-like in the center of a cell. These cells contain a ring of nuclei surrounding a central homogeneous cytoplasm, while foamy cytoplasm surrounds the nuclei.
A foreign-body giant cell is a collection of fused macrophages which are generated in response to the presence of a large foreign body. This is particularly evident with catheters , parasites , or biomaterials that are inserted into the body for replacement or regeneration of diseased or damaged tissues.
Granulation tissue with a poorly formed granuloma to the left of centre. Within this area there is a multinucleate giant cell of the Langhans type. The patient had a healing mycobacterial infection of the skin (Mycobacterium ulcerans infection). Langhans giant cells (LGC) are giant cells found in granulomatous conditions.
Acantholytic cells, multinucleated giant cells and eosinophilic inclusion bodies 53.1 - 86% sensitive and 100% specific Hand, foot and mouth disease: Syncytial nuclei, absence of acantholytic cells 1: 72% sensitive and 100% specific Human papillomavirus infections: Koilocytes 75% sensitive and 100% specific Molluscum contagiosum
Multinucleate cells (also known as multinucleated cells or polynuclear cells) are eukaryotic cells that have more than one nucleus, i.e., multiple nuclei share one common cytoplasm. Mitosis in multinucleate cells can occur either in a coordinated, synchronous manner where all nuclei divide simultaneously or asynchronously where individual ...
Seen against a sea of B cells, they give the tissue a moth-eaten appearance. [1] Reed–Sternberg cells are large (30–50 microns) and are either multinucleated or have a bilobed nucleus with prominent eosinophilic inclusion-like nucleoli (thus resembling an "owl's eye" appearance).
High magnification micrograph of giant cells in a giant-cell tumor of bone, H&E stain. The diagnosis of giant-cell tumors is based on biopsy findings. The key histomorphologic feature is, as the name of the entity suggests, (multinucleated) giant cells with up to a hundred nuclei that have prominent nucleoli.