Occupational allergic contact dermatitis from dithiocarbamates: two cases in agricultural workers [Dermatite allergica da contatto da ditiocarbammati professionale: osservazione di due casi in operai agricoli]

Two cases of occupational dermatitis in vineyard are reported. Physicians from the Occupational Health Units of Grosseto and Poggibonsi, after evaluating the skin lesions and the occupational risks, sent workers to the Section of Occupational Medicine and Toxicology of Siena. The farm workers were patch tested with SIDAPA standard series and pesticides currently used in the farm. One farmer was sensitized to mancozeb, blue dye and nickel sulphate the other to mancozeb, maneb and zineb (all dithiocarbamates). Results show the usefulness of close collaboration between Occupational Health Units and University Center to target the diagnosis