Psoriasis is a systemic chronic relapsing immune-mediated disease which often requires a long-term therapy. Psoriasis occurs in around 2-3% of the total global population. In Egypt, the prevalence of psoriasis ranges between 0.19% and 3%.
Besides, it could have profound implications on the patients' psychological state and quality of life.
It is presented by erythematous, scaly plaques over the preferred sites. The pathogenesis of this highly complex disease is still far from being fully understood. Keratinocytes' hyperproliferation and immune system dysfunctions are well recognized contributors, with numerous treatments targeting these unique immunologic dysfunctions.