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Lichen Planus MeSH Descriptor Data 2023

MeSH Heading
Lichen Planus
Tree Number(s)
Unique ID
RDF Unique Identifier
a skin disease; sometimes called simply "lichen": check text; lichen planus atrophicus: index here & do not confuse with LICHEN SCLEROSUS ET ATROPHICUS
Scope Note
An inflammatory, pruritic disease of the skin and mucous membranes, which can be either generalized or localized. It is characterized by distinctive purplish, flat-topped papules having a predilection for the trunk and flexor surfaces. The lesions may be discrete or coalesce to form plaques. Histologically, there is a "saw-tooth" pattern of epidermal hyperplasia and vacuolar alteration of the basal layer of the epidermis along with an intense upper dermal inflammatory infiltrate composed predominantly of T-cells. Etiology is unknown.
Entry Term(s)
Cutaneous Lichen Planus
Lichen Planopilaris
Lichen Ruber Planus
Lichen Rubra Planus
Mucosal Lichen Planus
NLM Classification #
WR 215
Date Established
Date of Entry
Revision Date
Lichen Planus Preferred
Mucosal Lichen Planus Narrower
Lichen Planopilaris Narrower
Cutaneous Lichen Planus Narrower
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