Other Names for this Disease
- Becker melanosis
- Becker nevus
- Becker naevus
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hypertrichosis), and acne may develop within the nevus in some individuals. Becker's nevus is due to an overgrowth of the epidermis (upper layers of the skin), pigment cells (melanocytes) and hair follicles. It is thought that it is due to a gene defect, which has not yet been identified. It may be triggered to develop by circulating androgens (male hormones such as testosterone), which is why it appears in males at puberty. In very rare cases, there are other problems associated with Becker's nevus (Becker's nevus syndrome) such as underdevelopment (hypoplasia) of the breast or other skin-related, muscular, or skeletal defects. Treatment is often primarily for cosmetic reasons and may include laser treatment or electrolysis for excessive hair growth; pigment laser treatment to reduce pigmentation; and standard acne therapy.Becker's nevus is a late-onset, large, brown birthmark occurring mostly in males. It typically develops during childhood or adolescence on the shoulders or upper trunk, but occasionally it develops on other areas of the body. After puberty, it often becomes darker and more hairy (
Last updated: 1/28/2016
- Ngan V. Becker naevus. DermNet NZ. 2016; http://www.dermnet.org.nz/lesions/beckers-naevus.html.
- Rivers JK. Becker Melanosis. Medscape Reference. March 4, 2014; http://emedicine.medscape.com/article/1068257-overview.
- DermNet NZ is an online resource about skin diseases developed by the New Zealand Dermatological Society Incorporated. DermNet NZ provides information about this condition.
- Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
- PubMed is a searchable database of medical literature and lists journal articles that discuss Becker's nevus. Click on the link to view a sample search on this topic.