Vitiligo in Croatia: A Case Report
Vitiligo is an acquired, chronic, multifactorial disorder which involves complex interactions between genetic risk factors and environmental triggers. It is characterized by scattered circumscribed depigmented macules and patches anywhere on the skin that result from loss of functional melanocytes.
According to our statistical data, 1,6% of the general population in Croatia suffers from vitiligo, but varies based on region. It affects all age groups equally, with female patients being more affected (53,95%) than male patients, and no difference in severity of vitiligo.
We present a case of a sudden onset of vitiligo vulgaris from a female patient in her twenties, treated at the Department of Dermatology and Venereology. Her 12-year-old brother simultaneously developed acrofacial vitiligo, six months after their mother died in a car accident. She has been previously diagnosed with type I diabetes and autoimmune endocrinopathies. The depigmented patches covered approximately 60% of her body, with Koebner response on trauma. Although no characteristic UV fluorescence was detected on the affected area, histopathological and immunohistochemical analyses revealed a complete loss of melanocytes, while Langerhans` and dermal dendritic cells replaced the DOPA-positive melanocytes. TSH levels were elevated, and the ultrasound showed thyroid enlargement, which substantiated for a hypothyroidism therapy. Treatment by systemic corticosteroids for a 6 month period was successful in stabilizing the disease.
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