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→Psoriasis
=Psoriasis=
=Psoriasis=
*H&P: Immune mediated, probably genetic. Associated with arthritis of the DIP joints.
*H&P: Immune mediated, probably genetic. Associated with arthritis of the DIP joints.
*Dx: Well demarcated pink plaques on extensor surfaces, scalp, and gluteal cleft. Nails can have pitting and onycholysis (separation from nail bed).
*Dx: Well demarcated pink plaques with silvery scale on extensor surfaces, scalp, and gluteal cleft. Nails can have pitting and onycholysis (separation from nail bed).
*Tx: Topical steroids ('''low potency for face/intertriginous areas, high potency for extensor surfaces'''), vitamin D analogs, retinoids; For generalized (>30% of the body), use UVB or PUVA; severe cases ('''e.g. psoriatic arthritis''') warrant methotrexate, anti-TNF agents.
*Tx: Topical steroids ('''low potency for face/intertriginous areas, high potency for extensor surfaces'''), vitamin D analogs, retinoids; For generalized (>30% of the body), use UVB or PUVA; severe cases ('''e.g. psoriatic arthritis''') warrant methotrexate, anti-TNF agents.