Several clinical types of psoriasis exist: plaque, pustular, inverse, and erythrodermic. Plaque psoriasis is the most common form, affecting 90% of patients. Plaque psoriasis typically appears as raised erythematous and well‐demarcated areas of inflamed skin covered with silvery-white, scaly skin. The location of the plaques is usually symmetrical on the elbows, knees, scalp, lower back, and the periumbilical region.2

Several clinical types of psoriasis exist: plaque, pustular, inverse, and erythrodermic.

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