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Formation of Civatte bodies is thought to be due to basal cell liquefaction Fig. 30.1. Lichen simplex chronicus . Acanthosis, hyperkeratosis, and chronic inflammation in the dermis are typical features. ♦ Hyperkeratosis, parakeratosis, and hypergranulosis may be present ♦ Surface erosion with exocytosis may be seen secondary to scratching ♦ If there are no inflammation and dermal collagen zone, the diagnosis of squamous cell hyperplasia… Civatte bodies are generated from denucleation of K17+ epithelial cells during the process of cell death via dyskeratosis, which is possibly related to blood capillary collapse. What is the abbreviation for Civatte Bodies?

Civatte bodies

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♦ Hyperkeratosis, parakeratosis, and hypergranulosis may be present ♦ Surface erosion with exocytosis may be seen secondary to scratching ♦ If there are no inflammation and dermal collagen zone, the diagnosis of squamous cell hyperplasia… Civatte bodies are generated from denucleation of K17+ epithelial cells during the process of cell death via dyskeratosis, which is possibly related to blood capillary collapse. What is the abbreviation for Civatte Bodies? What does CB stand for?

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Civatte bodies

Civatte bodies are PAS positive. Eosinophils are uncommon in conventional cutaneous lichen planus. Dyskeratotic keratinocytes (Civatte bodies) Acanthosis Junctional split seen at the junction of the epithelium and lamina propria (unlike sloughing esophagitis) Foreign bodies indicate a foreign body granuloma. Specific forms of multinucleated giant cells include the Touton giant cell, which contains a ring of nuclei surrounding a central homogeneous cytoplasm, with foamy cytoplasm surrounding the nuclei. The central cytoplasm (surrounded by the nuclei) may be both amphophilic and eosinophilic.

© 2012 Farlex, Inc. A Civatte body (named after the French dermatologist Achille Civatte, 1877–1956) is a damaged basal keratinocyte that has undergone apoptosis, and consist largely of keratin intermediate filaments, and are almost invariably covered with immunoglobulins, mainly IgM. Poikiloderma of Civatte is a benign, common and chronic condition, which belongs to the group of melanodermas (pigmented skin disorders). The term 'poikiloderma' refers to a skin change with atrophy where hypopigmentation / hyperpigmentation changes and dilation of the fine blood vessels (telangiectasia) can be seen in the affected skin. You can identify poikiloderma of Civatte by its characteristic features. In this condition, skin changes occur on your neck, chest, and cheeks. Civatte body is synonymous with ‘cytoid body’, ‘colloid body’ or ‘ keratin bodies’ and refers to an eosinophilic remnant of a keratinocyte within the basal layer or upper papillary dermis. ‘ Hyaline bodies’ are equivalent but occur in connective tissue.
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Infiltrate mostly lymphocytes. Apoptotic keratinocyte.

Colloid bodies (CB) in direct immunofluorescence (DIF) studies are usually found in interface dermatitis. Furthermore, CB can be found in various skin diseases and even in Civatte bodies .
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