Fast Five Quiz: What Do You Know About Psoriasis?

Dirk M Elston, MD; William James, MD

Disclosures

June 13, 2019

Guttate psoriasis presents as small salmon-pink papules, 1-10 mm in diameter, predominately on the trunk; the lesions may be scaly (see image). It frequently appears suddenly, 2-3 weeks after an upper respiratory infection with group A beta-hemolytic streptococci.

Inverse psoriasis occurs on the flexural surfaces, armpit, groin, under the breast, and in the skin folds. It is characterized by smooth, inflamed lesions without scaling due to the moist nature of the area where this type of psoriasis is located. Pustular psoriasis presents as sterile pustules appearing on the palms and soles or diffusely over the body. Erythrodermic psoriasis presents as generalized erythema, pain, itching, and fine scaling.

For more on the presentation of psoriasis, read here.

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