Lichen planopilaris in a Latin American (Chilean) population: demographics, clinical profile and treatment experience
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BackgroundLichen planopilaris (LPP) is characterized by lymphocytic infiltrate, fibrosis and potential destruction of the hair follicle. Demographic and clinical studies in LPP are limited, and racial differences have not been thoroughly investigated. AimTo analyse epidemiological data and clinical profiles of Chilean adults with LPP, and report on the treatments used. MethodsThis was a retrospective review of medical records and clinical follow-up of Chilean adults with a clinical and histopathological diagnosis of LPP. Treatment response was categorized clinically as none (with progression of condition), mild or satisfactory. ResultsThe study assessed 103 patients with LPP [67 women (mean age 54.1 years) and 36 men (mean age 39.1 years)]. Of the 103 patients, 41 women and 34 men were diagnosed with classic LPP (CLPP) and 26 women and 1 man with frontal fibrosing alopecia (FFA), while Graham-Little-Piccardi-Lassueur syndrome (GLPLS) was identified in 1 man. Men with CLPP had a significantly (P < 0.001) earlier age of onset than women. Scalp dysaesthesia, erythema and peripilar hyperkeratosis were common findings, and 51 (66%) of patients with CLPP had cicatricial patches, most of which were circumscribed in the vertex area. All patients with FFA had band-like scarring in the frontal and temporal hairlines. Morbidities associated with LPP were hypothyroidism, dyslipidaemia, hypertension and depression. For most patients, treatment halted or improved their inflammatory/scarring condition. A sustained combination of at least one topical (clobetasol, minoxidil and salicylic acid) and one systemic (cetirizine, hydroxychloroquine, finasteride, methotrexate and isotretinoin) medication was necessary in all of our patients with LPP. ConclusionThis investigation is one of the first to describe the demographic, clinical and therapeutic features of LPP in a Latin American population. Similar profiles to previous reports may encourage research in larger multicentre international studies.
Artículo de publicación ISI
Cita del ítemClinical and Experimental Dermatology (2017) 42: 755–759
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