DefinitionThis section has been translated automatically.
Chronic lichen planus in light-exposed skin zones, in dark-skinned children and young adults living in tropical or subtropical zones.
Occurrence/EpidemiologyThis section has been translated automatically.
Worldwide occurrence, preferably in countries of the Middle East, furthermore in India and in African countries (e.g. Ethiopia). Isolated cases in Japan and in Central Europe.
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EtiopathogenesisThis section has been translated automatically.
ManifestationThis section has been translated automatically.
- Dark skinned people (skin type IV). Children are often affected. Rarely adults. Patients between 7 and 47 years of age (average age 17 years) were found in larger collectives.
- Preferred occurrence in spring and summer.
LocalizationThis section has been translated automatically.
Light-exposed areas (91%), especially in the area of the forehead, back of the hand, also on the red of the lips of the lower lip.
Clinical featuresThis section has been translated automatically.
- Itchy exanthema consisting of red-brown, flat papules which can confluent to form up to 5.0 cm large, mostly anular, marginal, only slightly itchy plaques.
- The anular lichen planus actinicus is the most common with >80%.
- In the melasma form there are non-anular, flat, brown-black spots or patches (also dyschrome form).
HistologyThis section has been translated automatically.
Picture of the classical Lichen planus (see there).
General therapyThis section has been translated automatically.
External therapyThis section has been translated automatically.
Internal therapyThis section has been translated automatically.
According to the Lichen planus. A successful therapy with antimalarial drugs has been reported several times.
LiteratureThis section has been translated automatically.
- Aloi F et al (1997) Actinic lichen planus simulating melasma. Dermatology 195: 69-70
- Bouassida S et al (1998) Actinic lichen planus: 32 cases. Ann Dermatol Venereol 125: 408-413
- Collgros H et al (2014) Childhood actinic lichen planus: four cases report in Caucasian Spanish children and review of the literature. J Eur Acad Dermatol Venereol doi: 10.1111/jdv.12917
- Dammak A et AL: (2007) Childhood actinic lichen planus (6 cases)]. Arch Pediatrist 15:111-114
- Dekio I et al (2010) Actinic lichen planus in a Japanese man: first case in the East Asian population. Photodermatol Photoimmunol Photomed 26:333-335
- Peretz E et al (1999) Annular plaque on the face. Actinic lichen planus ALP). Arch Dermatol 135: 1543-1546
- Ramírez P et al (2012) Childhood actinic lichen planus: successful treatment with antimalarials. Australas J Dermatol53:e10-13
- Skowron F et al (2002) Erythematosus actinic lichen planus: a new clinical form associated with oral erosive lichen planus and chronic active hepatitis B. Br J Dermatol 147: 1032-1034
Incoming links (5)Actinic lichen ruber planus; Lichen planus anularis; Lichen planus subtropicus; Lichen planus tropicalis; Lichen tropicalis;
Outgoing links (4)Glucocorticosteroids; Lichen planus classic type; Light protection; Prednicarbate;
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.