The two most frequent causes of localized alopecia in the newborn are aplasia cutis and a sebaceous nevus. In the former, the lack of hair is due to the scarring of the healing process, whereas in the latter, it is due to hypertrophy of the sebaceous glands, which compress the hair, making it thinner.


Venous Malformation Pyogenic Granuloma Congenital Melanocytic Nevus Epidermal Nevus Juvenile Xanthogranuloma 
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© Springer-Verlag Italia 2013

Authors and Affiliations

  • Ernesto Bonifazi
    • 1
  1. 1.BariItaly

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