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February 2004

Upper Extremity Nodules—Quiz Case

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Arch Dermatol. 2004;140(2):231-236. doi:10.1001/archderm.140.2.231-g

A 69-year-old woman presented with a 1-month history of nodules on her forearms. Three months earlier, she had received superficial burns and abrasions in the same locations when her car's air bag deployed during a minor car crash. The burns were treated with silver sulfadiazine cream and resolved in 2 weeks. The patient had no history of diabetes mellitus.

On physical examination, there was a 3.0-cm irregular subcutaneous nodule (arrow) on the left inner antecubital fossa (Figure 1) and a similar 0.7-cm nodule on the inner area of the right forearm. The overlying skin was slightly erythematous. On palpation, the nodules were irregular in shape, firm, mobile, and not tender. The results of transillumination were negative; sensation was normal. A 4-mm punch biopsy specimen was obtained (Figure 2).

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