A reticular pigmented rash on the lower leg

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A reticular pigmented rash on the lower leg

DOI: 10.5826/dpc.0303a06.
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Dermatology: Practical and Conceptual DERMATOLOGY PRACTICAL & CONCEPTUAL www.derm101.com Quiz | Dermatol Pract Concept 2013;3(3):6 21 Quiz case A 10-year-old boy presented to the dermatologist for a spider web-like pigmented rash on the lower right leg. On examination it was found that the rash was expanding medially from the lateral aspect of the leg to ventral part of the foot (Figure 1). The left leg was uninvolved. Erythema was not elevated and disappeared on applying pressure to the area. His history revealed that, on advice of his parents, he had been using an electric heater for the past four winter months to keep his legs warm, prior to appearance of the rash. He had no leg pain, abdominal pain, or any his- tory of recurrent fever. There was no history of systemic disease, and physical examination with CBC was within normal limits. A reticular pigmented rash on the lower leg Karan Lal1, Saurabh Malhotra2, Viktoryia Kazlouskaya2, Dirk M. Elston2 1 New York College of Osteopathic Medicine, New York, NY, USA 2 Ackerman Academy of Dermatopathology, New York, NY, USA Citation: Lal K, Malhotra S. Kazlouskaya V, Elston D. A reticular pigmented rash on the lower leg. Dermatol Pract Conc. 2013;3(3):6. http://dx.doi.org/10.5826/dpc.0303a06. Copyright: ©2013 Lal et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Corresponding author: Viktoryia Kazlouskaya M.D., Ph.D., Ackerman Academy of Dermatopathology, 145 E 32nd Street, Fl 10, New York, NY, USA. Tel. 800.553.6621. E-mail: [email protected] Figure 1. Reticular pigmented rash at the lower right leg. [Copyright: ©2013 Lal et al.] A final diagnosis of heater-induced erythema ab igne was made. Keeping the leg in close proximity to the heater for prolonged periods of time was responsible for

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