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PubMed2004

[Allergic occupational dermatoses. Role of in vitro studies in diagnosis and prevention].

Recently published guidelines only recommended in vitro assays for atopy screening by the determination of specific IgE antibodies in occupational cutaneous allergic diseases. However further indications include latex allergy, occupational drug allergy and wasp/ bee venom allergy. The lymphocyte transformation test may be an alternative to the patch test, in order to differentiate allergy from irritancy, or it may be an alternative to the patch test if hazardous compounds such as carcinogens are the possible antigens.

Dermatitis, Atopic↗
PubMed1990

Dermatoses among floral shop workers.

Concern about the increasing incidence of hand dermatitis in floral shop workers in the United States and its possible association to the plant Alstroemeria, a flower that has become popular since its introduction in 1981, prompted investigation of the prevalence and cause of hand dermatitis in a sample of floral workers. Fifty-seven floral workers were surveyed, and 15 (26%) reported hand dermatitis within the previous 12 months. Sixteen floral workers (eight with dermatitis) volunteered to be patch tested to the North American Contact Dermatitis Group Standard and Perfume Trays, a series of eight pesticides and 20 plant allergens. Of four of seven floral designers and arrangers who reported hand dermatitis, three reacted positively to patch tests to tuliposide A, the allergen in Alstroemeria. Patch test readings for all other plant extracts were negative. A positive reading for a test to one pesticide, difolatan (Captafol), was noted, the relevance of which is unknown.

Adolescent↗
PubMed1999

Garlic-related dermatoses: case report and review of the literature.

BACKGROUND: Garlic is widely appreciated as a spice and as a vegetable as well as an over-the-counter phytotherapeutic. From a dermato-allergological standpoint, several garlic-related adverse reactions have to be distinguished. OBJECTIVE: The corresponding literature is reviewed briefly, with regard to our present observation of a cook, who contracted garlic-induced contact dermatitis being analyzed for its complex pathomechanism. METHODS: The patient showed a positive type-IV patch test reaction for diallyl disulfide, a low molecular weight garlic ingredient; and strong, non-irritant reactions after 20 min and 24 hrs in the scratch chamber test with fresh total garlic. RESULTS: Thus, in this case of an occupational dermatosis, protein contact dermatitis had to be considered, as well as allergic type-IV contact dermatitis as a co-existing pathomechanism. CONCLUSIONS: The spectrum of garlic-related adverse reactions comprises irritant contact dermatitis, with the rare variant of zosteriform dermatitis; induction of pemphigus, allergic asthma and rhinitis; contact urticaria; protein contact dermatitis; allergic contact dermatitis, including the hematogenic variant; as well as combinations thereof, as evidenced by our present case observation.

Adult↗