H13 Leprosy and psoriasis: a heated controversy

Abstract In the Old Testament, term ‘Lepra’ was used to describe many skin diseases, including psoriasis, eczema, vitiligo, alopecia areata and boils. The word ‘leprosy’ derived from this previously as a generic that included multiple inflammatory dermatological diseases. It disorder of great religious significance during ancient times, with intense stigmatization—‘lepers’ were pronounced unclean by priests. Hippocrates (460–377 Bc), Greek ‘father medicine’, can be credited being first separate medicine superstition. However, there little differentiation between leprosy two distinct diseases we know today. He ‘psora’ itch, ‘lopoi’ dry scaly features conditions, thus continuing confusion psoriasis. failure differentiate psoriasis its own clinical entity meant for centuries, patients also suffered same cruel fate those in society. Those suffering wrongly believed highly contagious forced carry bell or clapper announce their approach who considered healthy. They required wear distinctive clothing so they easy recognize public, not permitted talk even touch healthy person. outcast society could only mix other ‘lepers’. 1313, Philip Fair France horrifically ordered all outcasts burned at stake. 1809, Robert Willan (1757–1812), an English doctor, marvellously developed simple classification offered clear description different types This crucial milestone recognition disease leprosy. while he person condition, failed eliminate completely associated disease. ‘lepra vulgaris’ discuss modern which once again further perpetuated Ultimately, it Ferdinand von Hebra (1816–1880), Austrian physician, permanently shed ‘lepra’ 1800s, finally allowing separate.