Psoriasis New England Journal of Medicine Inflammatory memory in psoriasis: From remission to recurrence Journal of Allergy and Clinical Immunology 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 Preventing psoriatic arthritis: focusing on patients with psoriasis at increased risk of transition Nature Reviews Rheumatology Healing the Gut to Treat Psoriasis? Next Steps in Dermatology 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