Lichen ruber planus
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: EA91.Z
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: EA91.Z
Wilson, 1869
Lichen ruber, lichen planus.
Pruritic, non-contagious, subacute to chronic, self-limiting (but often lasting for years) disease of the skin and/or mucous membranes.
Particularly on the flexors of the wrists and forearms, on the lateral ankles, sharply demarcated, erythematous, lichenoid, polygonal, lacquer-like shiny, partly confluent papules and plaques appear. Often a whitish reticulation (wickham's pattern) can be seen. A characteristic feature of cutaneous primary efflorescences is the surface reflection, which is best recognised when the light is incident from the side. Exanthematous spreading may occur in the course. As a rule, the efflorescences flatten out again after months. Hyperpigmentation develops especially in dark-skinned patients.
Mostly spontaneous healing within 1-2 years, but there are also chronic courses.
Topical therapy
At the capillitium
Radiation therapy
Systemic therapy
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