Scales are a visible peeling or flaking of outer skin layers. These layers are called the stratum corneum.
Scales may be caused by dry skin, certain inflammatory skin conditions, or infections. Eczema, ringworm, and psoriasis are examples of skin disorders with scales.
High WA, Tomasini CF, Argenziano G, Zalaudek I. Basic principles of dermatology. In: Bolognia JL, Jorizzo JL, Schaffer JV, eds. Dermatology. 3rd ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 1.
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