Circumscribed, temporary, post-inflammatory depigmentation due to different mechanisms, which occurs during or in the wake of skin diseases or their treatment (intra- and/or perilesional), e.g. in pityriasis versicolor, atopic eczema, psoriasis vulgaris in syphilistic exanthema (syphilitic leukoderm) The size of the depigmentations is defined by the preceding lesions.
Images (2)
LeucodermL81.5
DefinitionThis section has been translated automatically.
EtiopathogenesisThis section has been translated automatically.
Chemical inhibition of melanogenesis, disturbance in the transport mechanism of melanosomes, UV absorption in scale deposits.
The so-called pseudoleukoderm does not involve disorders of melanocyte function but simple contrast phenomena which occur as in Psseudoleucoderma psoriaticum due to dithranol staining of the surrounding healthy skin.
Clinical featuresThis section has been translated automatically.
Diseases that can trigger or are associated with leukoderms:
TherapyThis section has been translated automatically.
Therapy is not necessary. Cover with camouflage e.g. Covermark, Dermacolor. If necessary, treatment of the underlying disease.