lichen planus

lichen planus
Rare skin disorder in which there is marked hyperkeratosis and extensive infiltration of lymphocytes into the lower epidermis.

Dictionary of molecular biology. 2004.

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  • Lichen planus — Classification and external resources Lichen planus affecting the shins. ICD 10 L …   Wikipedia

  • Lichen planus — (m), flache Knötchenflechte (f) eng lichen planus …   Arbeitssicherheit und Gesundheitsschutz Glossar

  • Lichen planus — A common skin disease with small itchy pink or purple spots on the arms or legs. The lesions (abnormal areas) on the skin in lichen planus are typically polygonal, flat (hence, the term planus), and pruritic (itchy). Occurs characteristically on… …   Medical dictionary

  • lichen planus atrophicus — lichen planus characterized by atrophy in the center of preexisting lesions of lichen planus, ultimately leading to atrophic white spots on the skin that aggregate to form small white or purple patches, sometimes with erythematous borders. Called …   Medical dictionary

  • lichen planus follicularis — lichen planus accompanied by alopecia cicatrisata, with patches of pointed, keratotic lesions around hair follicles, often leading to local atrophy. Called also l. planopilaris and follicular lichen planus …   Medical dictionary

  • lichen planus hypertrophicus — lichen planus characterized by verrucous plaques covered with scales, usually located on the shins but sometimes elsewhere on the body. Called also hypertrophic l. planus and l. planus verrucosus …   Medical dictionary

  • lichen planus actinicus — lichen planus occurring in hot climates or hot weather, especially on sun exposed areas of the skin, characterized by papular lesions that usually have pale centers and darker borders. Called also actinic or subtropical l. planus …   Medical dictionary

  • lichen planus subtropicus — lichen planus tropicus l. planus actinicus …   Medical dictionary

  • lichen planus annularis — lichen planus in which groups of papules form annular configurations, especially on the genitals, lower trunk, and lips, and in the mouth …   Medical dictionary

  • lichen planus erythematosus — a rare variant of lichen planus characterized by soft, nonpruritic, erythematous papules …   Medical dictionary

  • lichen planus pemphigoides — a condition combining characteristics of both bullous lichen planus and bullous pemphigoid …   Medical dictionary

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