Hyperkeratosis of the nipple and/or areola (HNA) is defined as excessive keratinization of the nipple and/or areola. Hyperkeratosis of the nipple and/or areola is characterized by hyperpigmented, verrucous or filiform, keratotic thickening of the nipple and/or areola, with a papillomatosis or velvety sensation to touch.
Bilateral nevoid hyperkeratosis of nipple and areola: A rare entity - Journal of Skin and Sexually Transmitted Diseases
MedCrave online
Bilateral idiopathic hyperkeratosis of the nipple and areola
2018.3-23.hyperkeratosis - Our Dermatology Online
Paget Disease of the Breast
a) A case of nevoid hyperkeratosis of nipple and areola showing
Nevoid hyperkeratosis of the nipple and areola: A distinct entity - ScienceDirect
Hyperkeratosis of the nipple and areola
Derm Dx: Itching and Scaling of the Nipple - Clinical Advisor
Nipple adenoma in a female patient presenting with persistent