Psoriasis with Auspitz sign

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Figure. A 32-year-old man with diffuse, well demarcated, raised, erythematous scaly plaques. Removal of the plaques often led to pinpoint capillary bleeding.

Psoriasis plaques often present as they did in this case: well demarcated, raised and erythematous, with silvery scales. Pinpoint capillary bleeding, known as Auspitz sign (arrows, Fig. 1), can result when the scales are gently scraped away with a spatula or fingernail.

Figure.