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Definition of Seborrheic keratosis
1. Noun. A skin condition characterized by circumscribed wartlike lesions that can be itchy and covered with a greasy crust.
Generic synonyms: Keratosis
Medical Definition of Seborrheic keratosis
1. A benign skin lesion resulting from excessive growth of the top layer of skin cells. It usually is found in persons over 30 years old and may be few or numerous. (12 Dec 1998)