Abstract
To investigate the clinical manifestations, complications and treatment of medicament-like dermatitis due to trichloroethylene (TCE), so as to provide basis for studying its etiology and mechanism. Fifty patients with dermatitis due to TCE from 1997 to 2000 were analysed retrospectively. The occurrence of the dermatitis was not parallel to TCE exposure levels, without significant dose-effect relationship. This disease could be caused by both inhalation and skin exposure. The latency period of TCE dermatitis ranged from 5 to 66 days, and the average was 31.5 d (Medium). The major clinical manifestations included skin lesions, fever, superficial lymph node swelling and liver dysfunction. Infection was the major complication. Glucocorticoid was effective for treatment of this disease. The clinical manifestations due to TCE exposure were similar to dermatitis medicamentosa. The major clinical types of TCE dermatitis included exfoliative dermatitis and erythema multiforme. The dermatitis is considered to be mediated by delayed-type (IV) hypersensitivity. The key factors to treat this disease successfully included the use of glucocorticoid in time with sufficient dose and full course, professional skin care, active treatment to protect the liver and to avoid infection.
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