Title of article :
Dermoscopic Findings of Alopecia in Patients with Hypothyroidism
Author/Authors :
Gharaei Nejad ، Kaveh Department of Dermatology - Skin Research Center, Razi Hospital, School of Medicine - Guilan University of Medical Sciences , Motamed ، Behrang Department of Internal Medicine - Razi Hospital, School of Medicine - Guilan University of Medical Sciences , Hassanzadeh Rad ، Afagh Pediatric Diseases Research Center - Guilan University of Medical Sciences , Rafiee ، Elahe Razi Clinical Research Development Unit - Guilan University of Medical Sciences , Dalili ، Setila Pediatric Diseases Research Center - Guilan University of Medical Sciences , Molaei ، Atrie Department of Dermatology - Skin Research Center, Razi Hospital, School of Medicine - Guilan University of Medical Sciences
Abstract :
Background: Thyroid hormones are essential for the growth and maintenance of hair follicles. Numerous studies have evaluated the relationship between thyroid disorders and hair loss. However, no study has assessed the dermoscopic results in patients with hypothyroidism and hair loss. Objectives: This study aimed to investigate dermoscopic findings of alopecia in patients with hypothyroidism. Methods: This analytic cross-sectional study was performed on patients with hair loss referred to dermatology clinics of Guilan University of Medical Sciences, Iran. Hypothyroid patients and an equal number of euthyroid individuals were compared. After recording the demographic and clinical characteristics, all patients were subjected to hair dermoscopy. Results: A total of 164 patients with and without hypothyroidism with hair loss were studied. The frequency of hair shaft abnormalities (P 0.001) and vellus hair (P 0.001) significantly differed between the two groups. Dermoscopic findings related to scale abnormalities (P = 0.002) and their perifollicular type (P 0.001) significantly differed between the groups. Vascular changes (P 0.001), perifollicular concentric type (P = 0.012), and interfollicular red loops type (P = 0.005) were significantly higher in patients with hypothyroidism. Also, based on the multiple logistic regression model, the chance of abnormalities of the hair shaft, scales, and vascular changes increased by 3.24, 2.73, and 3.53, respectively, in hypothyroidism compared to euthyroidism. Conclusions: Regarding the promising results of this study, we could detect possible dermoscopic signs of inflammation in hypothyroid patients with hair loss. Further investigations are needed because there is a shortage of evidence on this novel diagnostic method.
Keywords :
Hair Loss , Hypothyroidism , Dermoscopy
Journal title :
International Journal of Endocrinology and Metabolism
Journal title :
International Journal of Endocrinology and Metabolism