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Vitiligo epidemiological profile and the association with thyroid disease
Daniel Holthausen Nunes1, Ligia Maria Hademann Esser
1Outpatient Clinic of Medical Specialties, University of Southern Santa Catarina (AME-UNISUL) and Polydoro Ernani de São Thiago University Hospital, Federal University of Santa Catarina (HU-UFSC) - Santa Catarina (SC), Brazil.
Anais Brasileiros De Dermatologia
|May 24, 2011
Summary
Vitiligo, a common skin condition, is frequently linked to autoimmune thyroid diseases. This study found a significant association, suggesting autoimmune factors play a key role in vitiligo development.
Area of Science:
- Dermatology
- Endocrinology
- Immunology
Background:
- Vitiligo is the most common acquired hypopigmentation.
- Autoimmune etiology is the leading theory for vitiligo pathogenesis.
- Vitiligo often co-occurs with other autoimmune conditions.
Purpose of the Study:
- To detail the epidemiological characteristics of vitiligo patients.
- To determine the prevalence of vitiligo associated with autoimmune thyroid diseases.
Main Methods:
- Cross-sectional study analyzing 85 vitiligo patient medical records.
- Assessment of clinical and laboratory features.
- Evaluation of co-existing autoimmune diseases, particularly thyroid-related.
Main Results:
- The study included 56 female patients with a mean age of 37.14 years.
- Vitiligo vulgaris was present in 70.6% of cases.
- Autoimmune thyroid diseases were identified in 22.4% of patients; other autoimmune diseases in 5.9%.
Conclusions:
- Autoimmune thyroid diseases are more prevalent in vitiligo patients.
- Positive thyroid autoantibodies correlated with a higher probability of vitiligo extension (>25%).
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