Poikiloderma - Poikilodermia
Poikilodermia (Poikiloderma) hipopigmentazio, hiperpigmentazio, telangiektasia eta atrofia eremuek osatzen duten azaleko gaixotasuna da. poikilodermia (poikiloderma) bularrean edo lepoan ikusten da gehien, eguzkiaren kalteekin lotzen den larruazaleko pigmentu gorria du ezaugarri.
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References
Poikiloderma of Civatte larruazaleko gaixotasun arrunta da, batez ere lepoan eta aurpegian agertzen dena, batez ere larruazal garbiko eta menopausia osteko emakumeetan. Lerro gorrien, orban ilunen eta azal meheen nahasketa gisa agertzen da. Normalean, eguzkiaren eraginpean dauden guneei eragiten die, aurpegia, lepoa eta bularrean esaterako, baina ez itzalpeko eremuetan. Poikiloderma of Civatte bere ezaugarri nagusien arabera sailkatu daiteke: gorritasuna, orban ilunak edo bien nahasketa. Kausa zehatza ez da guztiz ulertzen, baina eguzki-esposizioa, aldaketa hormonalak, lurrin edo kosmetikoekiko erreakzioak eta zahartzea bezalako faktoreek zeresan handia dute. Poikiloderma of Civatte denborarekin poliki-poliki okerrera egin ohi da.
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.
