Dermoscopic Features of Nevoid Hyperkeratosis of the Nipple and Areola

Dermoscopy of an unusual case of nevoid hyperkeratosis of the nipple and areola in an elderly male

“…The above listed diseases in the differential diagnosis of NHNA can mostly be defined by dermoscopy. 5 Our patient was an elderly male with yellowish plaque lesions, which is an uncommon demographic and clinical presentation of NHNA. As such, acquiring data on dermoscopic findings of NHNA are crucial to make a correct diagnosis.…”

“…Differential diagnosis of NHNA includes both common benign conditions such as acanthosis nigricans, seborrheic keratosis, contact dermatitis, and dermatophytosis along with premalignant and malignant diseases such as Bowen's disease, basal cell carcinoma, Paget's disease, and mycosis fungoides. 4,5 As patients may be reluctant to undergo biopsy in nipple-areola complex, dermoscopy is an important diagnostic aid in NHNA. The above listed diseases in the differential diagnosis of NHNA can mostly be defined by dermoscopy.…”