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[Psoriasis: a general disease?]
Summary
Psoriasis involves specific immune system changes but is not an autoimmune or systemic disease. Vascular changes in the skin are likely linked to disease flare-ups.
Area of Science:
- Immunodermatology
- Pathophysiology of Psoriasis
Context:
- Psoriasis exhibits unique immunological markers, including elevated immunoglobulin A, E, and G, and reduced immunoglobulin M.
- Antiglobulin factors are observed in some psoriasis patients.
Purpose:
- To clarify the classification of psoriasis regarding autoimmune and systemic disease definitions.
- To differentiate between localized and generalized manifestations of psoriasis.
Summary:
- Despite observed immunological alterations, psoriasis is not classified as an autoimmune disease.
- Psoriasis is not considered a general or systemic illness.
- Vascular changes in the upper dermis, present even in unaffected skin, are likely associated with disease exacerbations.
Impact:
- Provides a clearer understanding of psoriasis's classification.
- Helps differentiate psoriasis from systemic autoimmune conditions.
- Highlights the localized nature of vascular alterations in psoriasis.