Hyperkeratosis of the nipple/areola (HNA) is a wart-like thickening of the nipple and/or areola with concomitant hyperpigmentation. It can be further classified into groups based on etiology. Nevoid (NHNA) is a rare subtype with an unknown cause. It is a benign, idiopathic condition, which typically presents bilaterally in females or in times of hormonal changes. We present a case of a 51-year-old Bahraini male who presented with skin changes of the nipple and was ultimately found to have NHNA.
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Dirr et al. (2024) studied this question.
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