Poikiloderma
Is riocht craicinn é Poikiloderma atá comhdhéanta de réimsí hypopigmentation, hyperpigmentation, telangiectasias agus atrophy. Is minic a fheictear poikiloderma ar an cófra nó ar an muineál, agus tá sé sainithe le pigment dearg ar an gcraiceann a bhaineann go coitianta le damáiste gréine.
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ReferencesIs riocht craiceann coitianta é Poikiloderma of Civatte a fheictear go príomha ar an muineál agus ar an aghaidh, go háirithe i mná a bhfuil craiceann éadrom orthu, i ndiaidh ménopausais. Taispeánann sé suas mar mheascán de línte dearga, spotaí dathúla, agus craiceann tanaí. De ghnáth, bíonn tionchar aige ar limistéir atá faoi lé na gréine, cosúil le aghaidh, an muineál, agus an limistéar V‑chruthach den chluas, ach ní limistéir scáthaithe. Is féidir Poikiloderma of Civatte a chatagóiriú bunaithe ar a phríomhghnéithe: cineál erythema‑telangiectatic, pigmented, agus meascán. Ní thuigtear go hiomlán an chúis chruinn, ach meastar go bhfuil ról ag fachtóirí cosúil le nochtadh na gréine, athruithe hormónacha, sensitization contact le cumhráin nó le cosmaidí, agus aosú. Tá an cúrsa go mall agus do‑innéite, go minic ag cruthú mí‑chumais cosmaideach suntasach.
Poikiloderma of Civatte (PC) is a rather common benign dermatosis of the neck and face, mainly affecting fair-skinned individuals, especially postmenopausal females. It is characterized by a combination of a reticular pattern of linear telangiectasia, mottled hyperpigmentation and superficial atrophy. Clinically, it involves symmetrically sun-exposed areas of the face, the neck, and the V-shaped area of the chest, invariably sparing the anatomically shaded areas. Depending on the prevalent clinical feature, PC can be classified into erythemato-telangiectatic, pigmented, and mixed clinical types. The etiopathogenesis of PC is incompletely understood. Exposure to ultraviolet radiation, hormonal changes of menopause, contact sensitization to perfumes and cosmetics, and normal ageing have been incriminated. The diagnosis is usually clinical and can be confirmed by histology, which is characteristic, but not pathognomonic. The course is slowly progressive and irreversible, often causing significant cosmetic disfigurement.
Poikiloderma of Civatte (PC) is a rather common benign dermatosis of the neck and face, mainly affecting fair-skinned individuals, especially postmenopausal females. It is characterized by a combination of a reticular pattern of linear telangiectasia, mottled hyperpigmentation and superficial atrophy. Clinically, it involves symmetrically sun-exposed areas of the face, the neck, and the V-shaped area of the chest, invariably sparing the anatomically shaded areas. Depending on the prevalent clinical feature, PC can be classified into erythemato-telangiectatic, pigmented, and mixed clinical types. The etiopathogenesis of PC is incompletely understood. Exposure to ultraviolet radiation, hormonal changes of menopause, contact sensitization to perfumes and cosmetics, and normal ageing have been incriminated. The diagnosis is usually clinical and can be confirmed by histology, which is characteristic, but not pathognomonic. The course is slowly progressive and irreversible, often causing significant cosmetic disfigurement.
