A Case of HyperKeratosis of the Areola

We report a case of hyperkeratosis of the areola in 18-year-old woman. One year ago. verrucous thickening and dark brownish discoloration developed on the right areola. The patient showed no evidence of associated skin changes. either epidermal nevus or ichthyosis and had no history of estrogen therapy or pregnancy.

Histologic findings showed mild hyperkeratosis. papillomatosis. keratotic plug. elongation of rete ridge, and increased pigmentation in the basal cell layer.