We report here the case of a 12-year-old boy with erythema ab igne on his left thigh caused by the use of a laptop computer. This is the youngest of the 10 reported patients with this laptop-induced dermatosis since its first description in 2004. Erythema ab igne is a reticular, pigmented, sometimes telangiectatic dermatosis that is caused by prolonged exposure to a heat or infrared source. In laptop-induced erythema ab igne, the localization on the thighs and asymmetry are characteristic. The heat originates from the optical drive, the battery, or the ventilation fan of the computer.
Laptop Computer–Induced Erythema ab Igne in a Child and Review of the Literature
FINANCIAL DISCLOSURE: The authors have indicated they have no financial relationships relevant to this article to disclose.
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Andreas W. Arnold, Peter H. Itin; Laptop Computer–Induced Erythema ab Igne in a Child and Review of the Literature. Pediatrics November 2010; 126 (5): e1227–e1230. 10.1542/peds.2010-1390
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