Seborrheic Keratosis


D efinition —A benign, warty proliferation of keratinocytes that is frequently pigmented and often associated with low-risk human papillomavirus (HPV) (types 6 and 11).

Clinical Features

Epidemiology

  • Can be seen in all age groups.

  • A large percentage are associated with HPV types 6 and 11, implying a variant of condyloma (or low-grade squamous intraepithelial lesion). Presumably a subset of HPV-negative lesions also exists.

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