DERMATITIS ACTINICA PDF

Who gets chronic actinic dermatitis? Chronic actinic dermatitis mostly affects middle-aged or elderly men. In many patients with the condition there is frequently a history of other kinds of dermatitis , including atopic dermatitis , allergic contact dermatitis especially to plants such as chrysanthemum and photocontact dermatitis for many years before the photosensitivity develops. In these cases it is sometimes called persistent light reaction What are the clinical features of chronic actinic dermatitis? The rash may develop in all areas exposed to the sun, with the face, neck, upper chest in a V distribution and backs of hands most commonly affected.

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Who gets chronic actinic dermatitis? Chronic actinic dermatitis mostly affects middle-aged or elderly men. In many patients with the condition there is frequently a history of other kinds of dermatitis , including atopic dermatitis , allergic contact dermatitis especially to plants such as chrysanthemum and photocontact dermatitis for many years before the photosensitivity develops.

In these cases it is sometimes called persistent light reaction What are the clinical features of chronic actinic dermatitis? The rash may develop in all areas exposed to the sun, with the face, neck, upper chest in a V distribution and backs of hands most commonly affected. The lesions are usually red and inflamed with scaling and lichenification thickened and hardened patches of skin. The rash can be very itchy. The rash may spread to other areas of the body where the skin is covered by clothing.

The rash can be provoked by as little as 30 seconds exposure to daylight. It is condition that is often present throughout the year. Patients are at risk even on dull days and through window glass. Some of them also react to artificial light sources, especially naked fluorescent lamps.

Testing shows chronic actinic dermatitis is due to abnormal reactions to UVB, UVA and in severe cases to visible light. How do you diagnose chronic actinic dermatitis? Phototesting can be used to confirm the diagnosis. This involves specialized tests in which areas of skin are exposed to known amounts of light of specific wavelengths. The reactions that develop confirm the presence of an abnormal reaction to the light.

Patch testing and photopatch testing are also used. What is the treatment for chronic actinic dermatitis? Patients with chronic actinic dermatitis must take measures to avoid sun exposure by following sun protection strategies.

In severe cases it may be necessary to admit the patient to a dark room in hospital. In addition, if a contact allergy in involved the patient must try to avoid the offending substance. Treatment also includes:.

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Servicio de Dermatologнa RESUMEN La dermatitis actнnica, llamada tambiйn dermatitis solar, dermatitis por fotosensibilidad o erupciуn luminica polimorfa, es un proceso agudo o crуnico de la piel producido por la acciуn de los rayos solares. Debido a que este sнndrome es frecuente en nuestro medio por ser regiуn costeсa de clima subtropical, se estudiaron algunos factores epidemiolуgicos como edad, sexo, procedencia y presentaciуn por estaciones en pacientes que acudieron al Hospital Regional Docente de Trujillo con este sнndrome. Se obtuvo casos nuevos con dermatitis actнnica en los que se hallу lo siguiente: El grupo etario perteneciу a la segunda y tercera dйcadas con casos La mayor cantidad de pacientes atendidos procedнa de Trujillo con casos

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