Occupational Asthma Reference
Cruz MJ, Costa R, Marquilles E, Morell F, Munoz X,
Occupational asthma caused by chromium and nickel,
Archivos de Bronconeumologia,
Keywords: Barcelona, Spain, Nickel, case report, nickel plater, prick test, challenge, dual reaction
We report the case of a 40-year-old woman who developed occupational asthma following exposure to chromium and nickel in the nickel-plating section of a metalworks company. Skin prick tests for specific antibodies proved positive for nickel chloride at a concentration of 1 mg/mL and negative for potassium dichromate. The specific bronchial provocation test confirmed the diagnosis of occupational asthma due to exposure to chromium and nickel. The patient presented a late positive reaction to nickel chloride (0.1 mg/mL) and an immediate positive reaction to a 10 mg/mL solution of potassium dichromate. These results indicate a dual response to nickel and chromium in this patient
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Also a positive immediate reaction to potassium dichromate at 10mg/ml. ? specific at this concentration
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