Diferencia entre revisiones de «Psoriasis»
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==Clinical Presentation== | ==Clinical Presentation== | ||
[[File:Psoriasis2010.jpg|thumb|Psoriatic plaque, showing a silvery center surrounded by a reddened border.]] | |||
[[File:Psoriasis infliximab ar1182-2.gif|thumb|[[Psoriasis]] before and after treatment.]] | [[File:Psoriasis infliximab ar1182-2.gif|thumb|[[Psoriasis]] before and after treatment.]] | ||
*Well-demarcated erythematous plaques and papules with silvery white scales | *Well-demarcated erythematous plaques and papules with silvery white scales | ||
Revisión del 04:12 4 ene 2015
Background
- Often begins in the 2nd or 3rd decade of life
- Chronic and relapsing
Triggers
- Stress
- Trauma
- Drugs
Clinical Presentation
Psoriasis before and after treatment.
- Well-demarcated erythematous plaques and papules with silvery white scales
- Epidermal hyperproliferation
- Commonly found on the trunk, scalp, nail pitting, and extensor surfaces
- Auspitz sign: plaque removal reveals pinpoint-bleeding areas
Differential Diagnosis
Other Rash
- Acute generalized exanthematous pustulosis
- Allergic reaction
- Aphthous stomatitis
- Atopic dermatitis
- Coxsackie
- Dermatitis herpetiformis
- Exfoliative erythroderma
- Impetigo
- Pellagra
- Pityriasis rosea
- Serum Sickness
- Tinea capitus
- Tinea corporis
- Vitiligo
Management
- Ketoconazole 2% shampoo
- Hydrocortisone cream 1%
- Systemic steroids should be avoided due to the risk of developing rebound or induction of pustular psoriasis
See Also
Sources
- Uptodate
- Hess MR, Hess SP: Skin Disorders Common on the Trunck, in Tintinalli JE, Kelen GD, Stapczynski JS (eds): Emergency Medicine, A Comprehensive Study Guide, ed 7. New York, McGraw-Hill, 2011, (Ch) 249:p 1653-1654