Mondo Description A common benign skin neoplasm usually affecting older individuals. The lesions usually are multiple and arise in the face, chest, and shoulders. They appear as black or brown, slightly elevated skin lesions.

Uniprot Description A common benign skin tumor. Seborrheic keratoses usually begin with the appearance of one or more sharply defined, light brown, flat macules. The lesions may be sparse or numerous. As they initially grow, they develop a velvety to finely verrucous surface, followed by an uneven warty surface with multiple plugged follicles and a dull or lackluster appearance.