Chronic actinic dermatitis
Last Updated: 2019-08-27
ICD11: -
Last Updated: 2019-08-27
Author(s): Anzengruber F., Navarini A.
ICD11: -
Hawk & Magnus 1979
CAD, persistent light reaction, persistent light reaction, photosensitive eczema, actinic reticuloid, chronic photosensitive dermatitis, chronic persistent photosensitivity, photosensitive eczema.
Dermatitis caused by chronic UV exposure.
Very rare.
Men > Women.
Usually occurring in middle to older age.
Subtypes:
In persistent stimulus, photoallergic dermatitis, contact dermatitis, atopic eczema or mycosis fungoides develop chronic persistent photosensitivity, which leads to chronic actinic dermatitis. From this point on, electromagnetic radiation alone (for photoallergic dermatitis UV-A is particularly important, in the further course for chronic actinic dermatitis then UV-B) can be sufficient for the progression of the disease.
Erythematic, lichenified, discreetly scaly areas in the area of UV-exposed areas. Secondary scattering phenomena may occur.
Medical history
Clinic
Biopsy
TCR PCR for clonality determination
Photoprovocation testing
Areas exposed to light, especially face.
Hyper(para)keratosis, acanthosis, spongiosis.
UV protection
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