Fast Five Quiz: Plaque Psoriasis Presentation and Diagnosis

Chris G. Adigun, MD

May 21, 2020

Up to 20% of patients with plaque psoriasis will develop psoriatic arthritis, which is characterized by significant joint pain, stiffness, and deformity. In some patients, this may precede the onset of skin plaques.

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

Koebner phenomenon, or the appearance of new lesions at sites of injury or trauma to the skin, is believed to occur in 25–30% of patients with plaque psoriasis. Occasionally, reverse Koebner phenomena occur, 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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Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.

Cite this: Chris G. Adigun. Fast Five Quiz: Plaque Psoriasis Presentation and Diagnosis - Medscape - May 21, 2020.

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