Café-au-Lait Spots; Congenital Dermal Melanocytosis; Macular Stain; Congenital Dermal Melanocytosis; Congenital Nevi
by Amy Scholten, MPH
Birthmarks are colored spots on the skin. They may develop before or shortly after birth. These marks can be bright red, pink, brown, tan, or bluish. Birthmarks can be flat on the surface of the skin or raised.
The exact cause is not known. Some birthmarks can be genetic or part of a disease.
Birthmarks may be more common in certain people. For example:
Symptoms differ depending on the type of birthmark. For example:
Moles are birthmarks people are born with. Rarely, moles can become cancerous.
The doctor will ask about your symptoms and health history. A physical exam may be done. Birthmarks are usually diagnosed based on how they look. If the doctor has any concerns a biopsy may be taken. You may also need to see a doctor who treats skin problems.
Most birthmarks can and should be left alone. They may only need to be monitored. Treatment may be needed if:
Treatment depends on the type of birthmark. Options are:
Birthmarks cannot be prevented.
American Academy of Dermatology
Vascular Birthmarks Foundation
Canadian Dermatology Association
Birthmarks. Kids Health—Nemours Foundation website. Available at: https://kidshealth.org/Nemours/en/parents/birthmarks.html. Accessed December 15, 2020.
Birthmarks overview. American Academy of Dermatology website. Available at: https://www.aad.org/public/diseases/a-z/birthmarks-overview. Accessed December 15, 2020.
Hemangioma in infants. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/hemangioma-in-infants. Accessed December 15, 2020.
Techasatian L, Sanaphay V, et al. Neonatal birthmarks: a prospective survey in 1000 Neonates. Glob Pediatric Health. 2019;6:2333794X19835668.
Types of birthmarks. Vascular Birthmark Foundation website. Available at: https://birthmark.org/types-of-birthmarks. Accessed December 15, 2020.
Last reviewed September 2020 by EBSCO Medical Review Board Chelsea Skucek, MSN, BS, RNC-NIC
Last Updated: 8/18/2021
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