Unusual clinical manifestation of seborrheic keratosis on the scalp successfully treated with topical trichloroacetic acid: an atypical case report.

Seborrheic keratoses (SKs) are benign tumor of the skin. They can occur anywhere, except the palms and soles. SKs commonly present as multiple, pigmented papules which is classically described as verrucous stuck-on papules or plaques.