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Dermatosis Papulosa Nigra

see also Seborrhoeic Keratosis

These small domed, pedunculated or plate-like growths are histologically similar to Seborrhoeic Keratosis (q.v.) and, like these, tend to increase in size and number with age. They are very common on adults with very dark skin, tending to form in clusters or chains on the face, neck, upper back and chest. It is estimated that up to one-third of people with Type VI skin are affected. 

While the exact cause is unknown, there is a strong likelihood of a hereditary factor and there is some suggestion that they are caused by a developmental defect within the hair follicles. Women are more likely to be affected than men. The lesions are benign and no treatment is necessary unless for cosmetic reasons.  

If removal is desired, the precision afforded by advanced electrolysis can normally remove each individual papule without damaging the surrounding skin. It should be noted that a limited number of lesions can be treated in a single session so a course of treatments is usually required which will be discussed during the initial consultation.

Dermatosis Papulosa Nigra