Papulosquamous Diseases Diagnosis
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Psoriasis In Fig. 12-16 and 12-17 [above], we see plaques of dense adherent scale in the scalp. Circumscribed areas of micaceous scale in the scalp are a common presenting sign of psoriasis. This disorder can usually be differentiated from tinea capitis by the character of the scale, the sharp demarcation, and, usually, the absence of hair loss.