<unk>  is not a pre-malignant condition nor is it associated with any underlying systemic disease.<unk>  lesions show no tendency to regress spontaneously, and often increase in size and number as an individual ages.
Dermatosis papulosa nigra
Xanthoma striatum palmare
Keratosis pilaris atrophicans
Hypertrichosis cubiti
Erythromelanosis follicularis faciei et colli
Keratosis pilaris atrophicans faciei
Adenoma sebaceum
Keratosis pilaris