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Year : 2014  |  Volume : 34  |  Issue : 1  |  Page : 15-20

Possible association of female-pattern hair loss with alteration in serum 25-hydroxyvitamin D levels

Department of Dermatology, University Hospital of Ain Shams, Cairo, Egypt

Correspondence Address:
Ghada Fathy
MD, Dermatology and Venereology Department, Ain Shams University, 7 Elmenya Street, Misr Elgedida, Cairo, Zip code: 34111
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1110-6530.137254

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Background Female-pattern hair loss (FPHL) is the most common cause of diffuse hair loss in women. A possible role of non-androgen-dependent mechanisms was suggested. The association between serum 25-hydroxyvitamin D [25-(OH)D] and other hair 0 diseases such as male androgenetic alopecia, telogen effluvium, and alopecia areata has been indicated. Objective The aim of this study was to evaluate the association of altered serum 25-(OH)D levels in women with FPHL. Patients and methods We studied serum 25-(OH)D concentrations among 60 FPHL patients aged from 20 to 35 years in comparison with 60 healthy female controls matched for age, skin phototype, socioeconomic status, and outdoor exposure. Measurements were conducted by the radioimmunoassay technique. Results The mean serum 25-(OH)D level was significantly lower in FPHL patients (14.2 ± 7.31 ng/ml) than in controls (45.90 ± 18.83 ng/ml; P = 0.0001). There was no significant difference between patients with family history and those without family history regarding the mean vitamin D level (15.23 ± 7.56 and 13.6 ± 7.17 ng/ml, respectively; P = 0.363). A significant difference was found between the three Ludwig's degrees regarding the mean vitamin D level (12.96 ± 7.52, 14.16 ± 5.68, and 25 ± 5.35 ng/ml, respectively): between degrees I and III and between degrees II and III. Limitations This is a case-control study that supports the hypothesis of an association between vitamin D and FPHL, but does not establish a causal relationship. Conclusion Alteration in the serum 25-(OH)D level, being deficient or insufficient, might play a possible role in the pathogenesis of FPHL.

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