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Late-Onset Alopecia Areata: A Retrospective Cohort Study
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DOI：10.1159/000481881.png)
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Abstract
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Background: Alopecia areata is an immune-mediated disease presenting with sudden onset of nonscarring hair loss. Onset is more common earlier in life, and little is known regarding late-onset alopecia areata. Objectives: To describe the epidemiology, clinical patterns, disease course, and outcome of late-onset alopecia areata in Israeli patients referred to a tertiary medical center. Materials and Methods: This retrospective cohort study considered patients whose disease onset occurred at age >= 50 years. Patients were recruited from among all alopecia areata patients visiting a tertiary center between January 2009 and April 2015. Results: Of the 29 people included, 25 (86.2%) were female (female-to-male ratio, 6.2: 1). There was a family history of alopecia areata in 17.2%, thyroid disease in 31%, atopic background in 6.9%, and 17/29 (58.6%) reported a significant stressful event. The most common disease pattern was patchy, and disease was mild in the majority of participants. Complete hair regrowth was observed in 82.8% of participants, and 37.9% relapsed. Conclusion: Late-onset alopecia areata is characterized by marked female predominance, less extensive disease, and a high incidence of complete hair regrowth. (C) 2017 S. Karger AG, Basel
Keywords:
Age of onset
Alopecia
Alopecia areata
Hair disorders
Late onset
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