Psoriasis

特許 係属中 Psoriasis (/sɵˈraɪ.əsɨs/; from Greek ψωρίασις, meaning "itching condition" or "being itchy",[1] from psora, "itch" and -sis, "action, condition"; also termed psoriasis vulgaris)[2] is a common, chronic, relapsing/remitting, immune-mediated systemic disease characterized by skin lesions including red, scaly patches, papules, and plaques, which usually itch.[2][3] The skin lesions seen in psoriasis may vary in severity from minor localized patches to complete body coverage.