psoriatic plaque on the skin of the knee. close-up. skin problems. skin diseases.soft focus

allergic allergy arthritis atopic caucasian chronic closeup dermatitis dermatology disease diseased disgusting disorder dry eczema epidermis genetic healing health ill illness immune incurable inflammation inflammatory itch itchy knee medicine pain papules peeling plaque problem psoriasis psoriatic purple rash recurring red redness scaly scratching sickness skin skincare spot treatment ugly vulgaris