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Diffuse Symmetric Intertriginous Erythema in a 39-year-old Woman
Szu-Chi Lin , Mei-Eng Tu , Yang-Chih Lin
Dermatol Sinica 25 : 76-77, 2007

  A 39-year-old woman presented to our out-patient department with a diffuse skin rash symmetrically distributed over the neck, submammary areas, axillae, antecubital fossae, groins, buttocks, and upper inner thighs. Four days previously, she had been exposed to mercury vapor after accidentally breaking a thermometer at home. About one day after the mercury exposure, a slightly itchy erythematous rash began to appear on the flexural and friction areas of her body. It then rapidly expanded to involve her trunk and extremities (Fig.1). She denied any systemic disorders or allergy. Also, she could not recall whether she had any previous exposure to mercury or mercury compounds. The eruption cleared withht systemic and topical corticosteroid therapy. Patch tests were positive on day 2 for metallic mercury, ammoniated mercury chloride, and mercury chloride (Fig.2).

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