Pitiriasis liquenoide cronica genetic and rare diseases. Adalimumabinduced pityriasis lichenoides chronica that. Keratosis lichenoides chronica klc is a rare chronic disease characterized by violaceous, papular and nodular lesions typically arranged in a linear and reticulate pattern. The mild chronic form, pityriasis lichenoides chronica plc, is characterised by the gradual development of symptomless, small, scaling papules that spontaneously flatten and regress over weeks. It can range from a relatively mild chronic form to a more severe acute eruption. Khachemoune, suny downstate medical center, brooklyn. It is chronic and progressive usually affecting individuals aged 2040 years. Pdf case of keratosis lichenoides chronica with atypical. Keratosis lichenoides chronica klc is a rare acquired disease of adulthood, of unknown etiology, characterized by keratotic parallel linear lesions, retiform plaques, and keratotic, often. Biologic therapy is widely used in the treatment of psoriasis, and the incidence of adverse cutaneous effects induced by tumor necrosis factor tnf.
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