Article ID Journal Published Year Pages File Type
3205147 Journal of the American Academy of Dermatology 2015 4 Pages PDF
Abstract

BackgroundThe reported mean age of onset of hidradenitis suppurativa (HS) is between 20 and 24 years. Prepubertal onset is thought to be rare.ObjectiveWe sought to determine the prevalence of early-onset HS and to compare clinical characteristics between early-onset and normal-onset HS in a retrospective study.MethodsData were collected from 855 patients with HS. Early-onset HS was defined as onset before the thirteenth birthday. Clinical characteristics were analyzed in relation to the age of onset.ResultsIn all, 66 patients (7.7%) reported early-onset HS. A family history for HS was significantly higher in early-onset patients (55.6% vs 34.2%; odds ratio 2.1, 95% confidence interval 1.2-3.6, P = .006). They developed inflammatory lesions at more body sites than patients with normal-onset HS (odds ratio 3.0, 95% confidence interval 1.8-4.9, P < .001). Distribution of the Hurley stages of severity showed no differences between the 2 groups (odds ratio 1.1, 95% confidence interval 0.7-1.8, P = .72).LimitationsSome data were based on patient-reported information.ConclusionEarly-onset HS occurs more frequently than previously believed. Patients with early-onset HS often report a family history for HS and develop lesions at more body sites.

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