Epidemiology, clinical features, and associated factors in 78 cases of lichen planus on black skin

Background The pathogenesis of lichen planus (LP) is mostly autoimmune, while psychological and infectious factors are recognized to trigger or aggravate the disease. An association with diabetes is reported. Our objective was to determine the epidemio‐clinical characteristics of LP and its associated factors. Methods This multicentric, prospective study was conducted over a 6‐month period. The histopathology was only performed for atypical...