assessment of vitamin d plasma levels in patients with vitiligo vulgaris.

vitiligo vulgaris is a pigment disorder as the lack of skin pigmentation which its most prevalent cause is autoimmune. vitamin d has various effects on the natural and acquired immune of the body because of its effectiveness on the t cells and b cells, macrophages and dendritic cells.the object of this study was assessment of the vitamin d in patients with vitiligo vulgaris in dermatologic clinics in qazvin in 2012. the 100 patients with vitiligo were studied through a cross-sectional study. the required data were collected by the questionnaire (age, gender, job, family background, consumption of the dairies and vitamin d supplements), examination (type of skin) and para clinical test (measurement of the serum 25-hydroxyvitamin d level). the 42 (42%) and 58 (58%) people of the population under study were respectively male and female. the mean age of the population under study was 28.7±1.17. the mean serum of 25-hydroxyvitamin d level was 42±24.14 which had a significance difference with a normal level (p<0.04). the mean serum 25-hydroxyvitamin d level among patients with vitiligo had a significance difference with a normal level.