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Date: 1910 | Identifier: LL02.49.00.72
Dermatologic stereoview card. Front of card shows a person's legs including the knees with Psoriasis. Psoriasis is a chronic frequently relapsing disease of the skin, characterized by more or less numerous, small or large masses of white or yellowish dry imbricated scales loosely adherent to circumscribed red patches of epidermis. The redness nearly always extends a little distance beyond the scales. The primary lesions are pinhead sized slightly elevated papules. By peripheral growth they develop into pea sized, glistening white scaly lesions that look like drops of mortar on the skin. When the scales are completely removed a smooth red surface is exposed upon which several minute bleeding points may be seen but often only with the aid of a lens. Further growth and coalescence of the lesions give rise to coin-sized plaques and larger irregular patches. more...