granuloma annulare

(gran-u-LO-ma ann-u-LAR-ee) This is a strange skin eruption that mimics ringworm (tinea corporis). It is a common benign inflammatory eruption that usually occurs on the extremities. It is a firm, flesh-colored ring-like plaque with a raised rim of little nodules. It does not scale (ruling out fungal infection) and does not itch. The cause is unknown. The eruption may last months to years, but it eventually disappears. Potent steroid creams are sometimes prescribed, but these can only offer some acceleration of a slow process of disappearance.

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