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BACKGROUND: The knowledge of the prevalence of common dermatoses will be useful for optimum use of valuable resources of the country. AIM: The aim of the study is to determine the pattern and prevalence of psoriasis, vitiligo and atopic dermatitis (AD) in India. MATERIALS AND METHODS: This was a hospital-based study conducted on a single day in one medical college each in four zones of India. RESULTS: The point prevalence of dermatological cases was 9.25%. The point prevalence of psoriasis, vitiligo and AD were 8%, 9.98% and 6.75% respectively. Chronic plaque type psoriasis was the most common (50%) clinical pattern. The most common site of involvement of psoriasis was the palms. Stable type of vitiligo was common which accounted for 65.21%. Lower lip was involved in 75% of mucosal vitiligo. Lower limbs were the most common site of onset of vitiligo. AD was most prevalent in the first decade (40.7%). Personal history of atopy was present in (59.5%) patients. Dry skin was present in 92.5% of patients. CONCLUSIONS: Our data correlates with previous hospital-based prevalence studies of psoriasis, vitiligo and AD.
Kumar et al. (2014) studied this question.