Keywords: Biologika; IL-17 blocker; IL-17-Inhibitoren; Phototherapie; Psoriasis; Schuppenflechte; TNF-alpha blocker; TNF-alpha-Inhibitoren; anti-TNF-α; anti-interleukines; biologicals; petites molécules; phototherapy; photothérapie; psoriasis; small molecules; stéroïdes topiques; topical steroids; topische Steroide.