PsoriasisSymptoms

PsoriasisSymptoms - Variants of psoriasis include: Guttate...

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Psoriasis Symptoms Scaly plaques (elbows, knees, and/or extensor surfaces, scalp) Guttate psoriasis = widespread scaly papules in the distribution of water droplets on trunk, arms, and legs (often after an upper respiratory infection) Pruritis Starts with 1 or 2 lesions (elbows or scalp) --- spreads to trunk Painful skin and/or joints Risk Factors = Stress, Trauma, Smoking, Light skin colour Causes Psoriatic plaques are hyperproliferative and show infiltration of T-cells. 3 contributing factors Infection = cause guttate Genetics = FHx with HLA link Immunology = aggravated by lithium and beta-blockers Note: The silver scale on the surface of lesions = layer of dead cells
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Unformatted text preview: Variants of psoriasis include: Guttate psoriasis numerous smaller plaques spread over the body Flexural psoriasis affecting the axillae, perineal creases and other flexures. Nail psoriasis common, and characterised by pitting in the nails, onycholysis, thickening and crumbling, splinter haemorrhages and subungal hyperkeratosis Brittle / confluent psoriasis merging, widespread areas Other = Pustular psoriasis, Palmoplantar pustulosis Epidemiology o mean age of onset = 28 years o equal distribution between men and women o 7-11% have psoratic arthritis....
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PsoriasisSymptoms - Variants of psoriasis include: Guttate...

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