Psoriasis

Question 1

Clinical features of Psoriasis

Answer 1

Clearly marginated, salmon pink plaques with silvery scale on extensor surfaces (mostly)
Auspitz’s sign
Kobner phenomenon

Question 2

Guttate psoriasis

Answer 2

Eruption of small psoriatic lesion over the entire body

Typically occurs after streptococcal pharyngitis

Question 3

Flexural psoriasis

Answer 3

lesions have a pinkish, glazed appearance, clearly demarcated
Non-scaly
Sites: groin, perianal, genital regions, inframammary folds

Question 4

Pustular psoriasis

Answer 4

affects palms or soles
Well-demarcated scaling and erythma
The pustules are white, yellow, green or brown when dried