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Background and Design: Current studies link a possible relationship between vitamin D deficiency and many autoimmune diseases. Alopecia areata(AA) is a frequent autoimmune dermatological disease. The aim of this study was to investigate the relationship between vitamin D levels and alopecia areata; a frequent autoimmune dermatological disease.\ud\udMaterials and Methods: The 25 hydroxyvitamin D (25 OH D) levels of 40 patients with alopecia areata and age, gender and skin phototype matched healthy controls were evaluated. Serum 25 OH D was measured in all subjects, grouped as normal/sufficient (> 30 ng/ml), insufficient (15-30 ng/ml) and deficient (< 15 ng/ml).\ud\udResults: Both the study and control group were composed of 21 female and 19 males. The mean age were 31.23±7.34 (21-50) and 30.58±7.19 (21-48) respectively. 25 OH D level of study[2.5% (n=1) normal, 15%(n=6) insufficient, 82.5%(n=33)deficient] and control group[2,5%(n=1)normal, 25%(n=10)insufficient, 72,5%(n=29) deficient] were not different(P>0,05). In both groups 97,5% of patients had 25 OH D levels under normal range.\ud\udConclusion: Vitamin D levels of patients with AA was similar with the control group This similarity may suggest that a connection between vitamin D and AA does not exist. However, it may also indicate that the relationship between AA and Vitamin D is not via the level but receptor (number and / or structure) of vitamin D

Evaluation of 25 hydroxy vitamin D3 levels in patients with alopecia areata