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Dermatol. peru ; 21(1): 27-44, ene.-mar. 2011. ilus, tab
Article in Spanish | LILACS, LIPECS | ID: lil-671756

ABSTRACT

El liquen plano (LP) es una dermatosis inflamatoria crónica que afecta a la piel, membranas mucosas, pelo y uñas; de etiología desconocida, en cuya patogenia existe un daño autoinmunitario mediado por linfocitos T frente a los queratinocitos basales que expresan autoantígenos alterados en su superficie. Se presenta con diferentes patrones clínicos, como LP oral, LP anular, LP lineal, LP atrófico, LP hipertrófico, LP ampollar, LP pigmentoso, LP actínico. Su presentación clásica se caracteriza por pápulas poligonales o placas, pruriginosas, de coloración violácea, superficie brillante, surcada por estrias blanquecinas, característicamente distribuidas en forma simétrica sobre todo en las superficies flexoras de la muñeca, tobillos y muslos. Evoluciona por brotes y su curso es autolimitado, se resuelve en un periodo de meses a años, pero puede persistir indefinidamente. Existen múltiples opciones de tratamiento que incluyen corticoides tópicos, intralesionales y sistémicos, retinoides, fototerapia, inmunomoduladores tópicos y en casos graves o resistentes al tratamiento, la ciclosporina, metotrexato y fotoféresis extracorpórea.


Lichen planus (LP) is a chronic inflammatory dermatosis that affectsthe skin, mucous membranes, hair and nails; of unknown aetiology, whose pathogenesis is autoimmune damage mediated by T cells against basal keratinocytes that express autoantigens altered on its surface. It comes with different clinical patterns, such as oralLP, LP annularis, LP linearis, LP, LP verrucosus, bullosa LP, LP pigmentosus, LP actinicus. Classical presentation is characterized bypolygonal papules or plaques, pruritic, violet colour, glossy surface, drained by whitish stretch marks, characteristically distributed in symmetrical form especially in surface flexors of the wrist, ankles and thighs. It evolves by outbreaks and its course is self-limited, resolving in a period of months to years, but may persist indefinitely. There are multiple treatment options including steroids topics, miscellaneous and systemic, retinoids, phototherapy, immunomodulators topical and in cases of severe or resistant to treatment, ciclosporin, methotrexate and photoferesis extracorporea.


Subject(s)
Humans , Male , Female , Medical Illustration , Lichen Planus/diagnosis , Lichen Planus/etiology , Lichen Planus/history , Lichen Planus/pathology , Lichen Planus/therapy , Education, Medical, Continuing
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