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Research Letter
September 9, 2020

Evaluating Areas of Preferred Hair Loss: Potential Implications for Rating Alopecia Severity

Author Affiliations
  • 1Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
JAMA Dermatol. Published online September 9, 2020. doi:10.1001/jamadermatol.2020.2930

The impact and management of cutaneous disorders vary as a function of body location.1 In alopecias, disease severity is currently measured by percentage of hair lost, with all scalp areas weighted equally in their influence on disease severity.2-4 These severity ratings have been found to correlate poorly with quality-of-life impairment across alopecias,3-5 and we hypothesize that the differential influence of alopecia as a function of location may contribute to this discordance. In this study, we sought to determine whether there is a preference for location of hair loss on the scalp.

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