Psoriasis vulgaris - an inflammatory skin disease and/or benign epidermal hyperplasia.

Psoriasis vulgaris (PV) is a systemic inflammatory disease in which immune and genetic factors are involved in the pathogenesis. Some treatment approaches in PV patients have been similar to therapy of some tumors. This fact has led to a new scientific approach to PV not only as an inflammatory disease, but also as a benign epidermal hyperplasia or a benign tumor. In this article, we hypothesize that there has been a parallel between some benign tumors and neoplasms and PV. The aim of this article is to present the approach to PV as an inflammatory disease as well as benign epidermal hyperplasia or tumor, and to introduce a new meaning.