Fast Five Quiz: Plaque Psoriasis Presentation and Diagnosis

Chris G. Adigun, MD


July 09, 2021

Guttate psoriasis is normally self-limited, but in some cases, it may progress to plaque psoriasis.

Patients with plaque psoriasis may report worsening of symptoms in the winter and improvement of symptoms in the summer.

Koebner phenomenon refers to the appearance of new lesions at sites of injury or trauma to the skin. It is believed to occur in 25%-30% of patients with plaque psoriasis. On rare occasions, reverse Koebner phenomenon occurs, in which preexisting psoriatic plaques clear following injury or trauma to the skin.

Pruritus is a cardinal feature of plaque psoriasis and may be variable in intensity, though this does not negate its significance.

Learn more about the presentation of plaque psoriasis.


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