Inflammatory skin march in atopic dermatitis and psoriasis Inflammation Research Springer Nature Link Preventing psoriatic arthritis: focusing on patients with psoriasis at increased risk of transition Nature Reviews Rheumatology Many treatment guidelines for psoriasis rely heavily on body surface area (BSA) involvement to determine disease severity and eligibility for systemic therapies like biologics. Traditionally, patients with less than 10% BSA involvementespecially Alterations in the cutaneous microbiome of patients with psoriasis and psoriatic arthritis reveal similarities between non lesional and lesional skin Annals of the Rheumatic Diseases