Achille, French dermatologist, 1877-1956. See: Civatte bodies, poikiloderma of Civatte.
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Resultant dyskeratosis is represented by the presence of necrotic keratinocytes (Civatte bodies or cytoid bodies), which are extruded into the papillary dermis.
Civatte bodies, acanthosis, and parakeratosis are the results of lymphocytic infiltration of subepithelial tissue, basal membrane impairment, and degenerations of keratinocytes [1].
The WHO criteria (1978) for histopathological diagnosis of OLP include thickened ortho- or parakeratinised epithelium, liquefaction degeneration of basal layer, well-defined juxtaepithelial lymphocytic infiltration, and Civatte bodies in basal epithelium and lamina propria [3].
[1.] Degos R, Delort J, Civatte J, Poiares Baptista A.
The differential diagnosis of melasma should be made with post-inflammatory pigmentation, pigmented cosmetic dermatitis, hyperthyroidism, actinic lichen planus, HIV-associated pigmentation, drug-induced facial pigmentation, and poikiloderma of Civatte. The histories (for post-inflammatory pigmentation, cosmetic dermatitis, and drug-induced pigmentation), clinical findings (for cosmetic dermatitis, actinic lichen planus, drug-induced pigmentation, and poikiloderma of Civatte), laboratory tests (for thyroid function tests, HIV serology, hyperthyroidism, and HIV-associated pigmentation), patch tests (for cosmetic dermatitis), and histopathology are useful for diagnosis (2).
The typical pattern shown on the DIF is linear fibrinogen deposition along the basement membrane zone and often Civatte bodies with positive IgM (20).
A It sounds like an age-related condition called poikilderma of Civatte. While you may not be in the sun much now, it can be the result of sun damage.
Seven years after her initial presentation, deep esophageal biopsy specimens were obtained showing severe acute and chronic esophagitis with a lichenoid-like pattern of chronic inflammation with notable features of lymphocytic infiltrate involving the basal layer of the epithelium and scattered apoptotic keratinocytes (Civatte bodies) (Figures 4 and 5) raising strong consideration of ELP.
A This sounds like it may be a condition called "poikiloderma of Civatte," a term used to describe a change in the color and/or texture of the skin due to sun-related aging.
Physic hyperpigmentations: due to cumulative effect, solar radiation exposure causes senile lentigo, actinic keratosis or photosensitivity caused by perfumes and cosmetic compounds (Riehl's melanosis, poikiloderma of Civatte) or furocoumarins from certain plants (phytophotodermatitis).
Lichen planus--Generalised with Koebner's phenomenon, histopathology showing basal degeneration and civatte bodies.