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Year : 2021  |  Volume : 12  |  Issue : 2  |  Page : 250-257

Clinico-epidemiological profile of childhood alopecia areata along with dermoscopic correlation: A cross-section, observational study

1 Department of Dermatology, Purulia Government Medical College and Hospital, Purulia, West Bengal, India
2 Department of Dermatology, Raiganj Government Medical College and Hospital, Uttar Dinajpur, West Bengal, India
3 Department of Dermatology, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India
4 Department of Dermatology, Medical College and Hospital, Kolkata, West Bengal, India

Correspondence Address:
Indrashis Podder
Department of Dermatology, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal - 700 058
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/idoj.IDOJ_451_20

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Background: Childhood alopecia areata (AA) is a common cause of dermatologic consultation; however, data is scarce in the present set-up. Objectives: To evaluate the clinico-epidemiological profile of childhood AA along with dermoscopic correlation. Methods: We conducted a cross-sectional study including 50 new cases of childhood AA for 1 year. Dermoscopy was performed in each child and findings recorded. Results: Childhood AA was more common in girls (M: F 1:1.4), mean age being 11.1 ± 3.7 years. Scalp was commonest site of involvement in 86% cases, while 32 (64%) children had mild disease (<25% involvement). Localized circumscribed patch was the commonest presentation in 37 (74%) children, while sisaipho was the least (2%). A positive family history of AA was noted in 5 (10%) children. Twenty-four children (48%) provided a history of atopic disorders, while 30% had a positive family history of atopy. Stress was the commonest precipitating factor in 13 (26%) subjects. Nail involvement was observed in 19 (38%) children (pitting >thinning), while systemic associations like vitiligo and thyroid dysfunction were present in 26% and 24% cases, respectively. Dermoscopy revealed yellow-dots to be the commonest finding in 44 (88%) cases, followed by short vellus hair and black dots in 76% and 28% children, respectively, while exclamation-mark hair was rare. Conclusion: Female gender, younger age, nail involvement, and presence of concomitant atopy, vitiligo, and thyroid dysfunction were associated with severe disease, but not statistically significant (p > 0.05). Regression model failed to detect any risk factors for severe AA. Dermoscopy is an important non-invasive tool for evaluating childhood AA.

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