Psoriasis Characteristics
The differing characteristics of the varying types of psoriasis (plaque, inverse, guttate, pustular and erythrodermic)
- Created by: Michelle
- Created on: 04-09-18 19:49
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- Psoriasis
- Plaque (90%)
- Characteristic
- Well demarcated
- Thickened
- Red
- Scales
- Auspitz
- Location
- Extensor surfaces (arms and legs, elbows, knees, sacrum, buttocks and scalp, but the ears, extremities, palms and soles)
- Characteristic
- Inverse (2-6%)
- Characteristic
- Shiny appearance
- Thin
- Well demarcated
- Less scale than plaque
- characteristics are due to moisture and friction in the flexoral areas
- Location
- Flexural areas
- Characteristic
- Guttate
- Most common in children and young adults; preceded by strep infections. URTI can cause flares
- Characteristic
- Pinpoint
- Darkened
- Scales
- Location
- Trunk
- Limbs
- Pustular - acute emergency; requires systemic treatment
- Common: 50+y/o, pregnancy, drug interaction, recent systemic corticosteroid use
- Characteristic
- Sterile pustules
- Yellow
- Systemic Symptoms
- Fever
- Malaise
- Leukocytosis
- Location
- Palms/soles
- Erythrodermic
- Precipitating Causes
- Trauma
- Illness
- Sudden withdrawal of corticosteroids
- Adverse Drug Reaction
- Characteristic
- Nonspecific, fiery erythema
- Desquamation
- Edema
- Systemic illness (if becomes chronic)
- Precipitating Causes
- Plaque (90%)
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