Lichen ruber planus
Last Updated: 2020-06-25
ICD11: EA91.Z
Last Updated: 2020-06-25
Author(s): Anzengruber F., Navarini A.
ICD11: EA91.Z
Wilson 1869.
Nodular lichen, lichen ruber, lichen planus.
Pruritic, non-infectious, subacute to chronic, self-limited (but often lasting for years) disease of the skin and/or mucous membranes.
Particularly on the flexor sides of the wrists and forearms, on the lateral knuckles of the ankles, sharply defined, erythematous, lichenoid, polygonal lacquer-like shiny, partly confluent papules and plaques can be seen. Often a whitish reticulation, the Wickham's drawing, can be recognized. A characteristic feature is the surface reflection of cutaneous primary fluorescence, which is best recognized when light is entering from the side. Although the skin lesions begin insidiously at first, exanthematic seeding may occur in the course of the disease. Usually the efflorescences flatten out after months. Hyperpigmentation occurs especially in dark-skinned patients.
AST, ALT, γ-GT, cholesterol, uric acid, hemoccult
Usually 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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