Feb 2012

Heated Car Seat –Induced Erythema Ab Igne

Author Affiliations

Author Affiliations: Department of Dermatology, University of Cincinnati College of Medicine, Cincinnati, Ohio, and Section of Dermatology, Veterans Affairs Medical Center, Cincinnati.

Arch Dermatol. 2012;148(2):265-266. doi:10.1001/archdermatol.2011.2207

A 67-year-old white woman presented with a several-month history of an asymptomatic eruption on her posterior legs. She denied any exposure to heating pads or external heat sources. On physical examination, relatively well-defined rusty brown reticulated patches were seen extending from her mid posterior thighs to just below her popliteal fossa (Figure 1). Of note, the left leg had more lesions than the right leg and of a deeper brown color.

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