Description Inverse psoriasis is a clinical variant of psoriasis involving flexural or intertriginous areas of the body. Inverse psoriasis may be present in 3 to 36% of psoriasis patients. Lesions are clinically characterized as smooth, well-demarcated, erythematous plaques (raised, >1 cm) without the typical silvery scales of classic psoriasis. Differential diagnosis includes tinea infection, candidiasis, seborrheic dermatitis, or bacterial streptococcal infection. The clinical images in this review focus on identifying inverse psoriasis along the full spectrum of skin tones.
Keywords: Fitzpatrick skin types; dermatology; diagnosis; flexural psoriasis; intertriginous psoriasis; inverse psoriasis; papulosquamous skin diseases; psoriasis; psoriasis/diagnosis; psoriasis/ethnology; skin of color; skin pigmentation.
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