Psoriasis is a chronic and often distressing condition which tends to remit and relapse. Chronic discoid psoriasis is characterised by thick scaly erythematous plaques, especially in the scalp, on extensor surfaces and over elbows, knees and knuckles. Other manifestations of psoriasis such as pustular psoriasis and psoriatic arthropathy are not discussed here.
Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.