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Chronic actinic dermatitis
1Photodermatology Unit, University Hospital, Leuven, Belgium.
Journal of the American Academy of Dermatology
|February 1, 1993
Summary
Chronic actinic dermatitis (CAD) is a common skin condition in older adults, causing persistent redness and eczema. Diagnosis requires phototests, and treatments include azathioprine and PUVA.
Area of Science:
- Dermatology
- Photobiology
Background:
- Chronic actinic dermatitis (CAD) is a prevalent photodermatosis, particularly in individuals over 50.
- It manifests as persistent facial redness and can progress to eczematous lesions on non-exposed areas, persisting year-round.
Purpose of the Study:
- To summarize the key aspects of chronic actinic dermatitis.
- To highlight diagnostic criteria and therapeutic options.
Main Methods:
- Diagnosis relies on phototests revealing a broad action spectrum and low threshold doses.
- Differential diagnosis includes photocontact allergy and airborne dermatitis.
- Histopathology shows features similar to contact dermatitis early on, progressing to pseudolymphoma later.
Main Results:
- Phototests are crucial for confirming CAD diagnosis.
- Histopathological findings evolve over time.
- Azathioprine and PUVA are commonly employed treatments.
Conclusions:
- CAD is a significant photodermatosis requiring specific diagnostic approaches.
- Effective management involves phototesting, differentiation from other conditions, and treatments like azathioprine and PUVA.