What is the prevalence of Riehl melanosis (pigmented contact dermatitis)?

Updated: May 27, 2021
  • Author: Elizabeth K Satter, MD, MPH; Chief Editor: William D James, MD  more...
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The incidence is not known. Most cases are reported outside of the United States, with a large proportion of cases reported in Japan. No international statistics are available, but cases have been reported in France, Denmark, South America, Japan, India, and South Africa.

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