Systemic Autoimmune Comorbidity in Alopecia Totalis and Universalis Compared with Patchy Alopecia Areata: A Retrospective Cohort Study

    July 2026 in “ Journal of Investigative Dermatology ”
    R.Z. Ezzat, M. Paz, C. Kreytak … M.M. Senna
    Studysummary This retrospective cohort study found that individuals with alopecia totalis or universalis have a higher prevalence of systemic autoimmune diseases, particularly endocrine diseases and inflammatory bowel disease, compared to those with patchy alopecia areata.
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