Plants

Oct 15, 2016 by in Dermatology Comments Off on Plants

Fig. 22.1 Phototoxic reaction after harvesting parsnips on a sunny day Children playing outdoors and scantily clad gardeners operating string trimming tools are especially at risk. Careful history and examination…

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Patch Testing Essentials

Oct 15, 2016 by in Dermatology Comments Off on Patch Testing Essentials

1. Patients with hand dermatitis, even if suspected endogenous, always be liberal when considering patch testing. The hands are exposed to a multitude of substances both willingly and unknowingly. Hand…

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Cosmetics

Oct 15, 2016 by in Dermatology Comments Off on Cosmetics

Fig. 23.1 Axillary dermatitis from the fragrance present in a deodorant 23.4.4 Make-Ups Such as Foundations, Eye Shadows and Lipsticks Leave on skin care products are a common source of…

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Photoreactions and Testing

Oct 15, 2016 by in Dermatology Comments Off on Photoreactions and Testing

Fig. 7.1 Systemic chronic drug photosensitivity, with symmetrical lesions involving the face and V of the neck and forearms, with protection of the area covered by the wrist watch Fig….

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Rubber

Oct 15, 2016 by in Dermatology Comments Off on Rubber

Environment or purpose of use Product Medical Protection gloves, finger cots, catheters, tubes, stopper, sealings, splints, wound dressings, bandages, condoms, hot water bag, implants (mostly silicone) Laboratory Protections gloves, Peleus…

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Metals

Oct 15, 2016 by in Dermatology Comments Off on Metals

Metal Country/region, period Dermatitis patients General population Ref.   n W M Total n W M Total  Ni Europe, 1985–2010a 180,390 17–32 3–10 12–25     [11] Europe 2005–2006 19,793   19–24     [12] Denmark…

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Protein Contact Dermatitis and Testing

Oct 15, 2016 by in Dermatology Comments Off on Protein Contact Dermatitis and Testing

Stage 1 Localized urticaria (redness and swelling) Immediate contact dermatitis (eczema – protein contact dermatitis) Itching, tingling, or burning sensation Stage 2 Generalized urticaria Stage 3 Bronchial asthma (wheezing) Rhinitis,…

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Gloves

Oct 15, 2016 by in Dermatology Comments Off on Gloves

Material Subtypes Main allergens Leather  Chromium Rubber Natural rubber latex (NRL) NRL, rubber additives Nitrile Rubber additives Other synthetic rubber Rubber additives Plastic Polyvinyl chloride (PVC) Large number of rare…

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Dental Materials

Oct 15, 2016 by in Dermatology Comments Off on Dental Materials

Fig. 17.1 A dentist with allergic contact dermatitis on his fingertips from 2-hydroxyethyl methacrylate (2-HEMA) in a bonding product. The dentist never wore gloves In dental patients it is the…

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Glues

Oct 15, 2016 by in Dermatology Comments Off on Glues

Concentration and vehicle Epoxy resin Bisphenol A 1.0 % pet Bisphenol F 0.25 % pet Epichlorohydrin Epoxy resin mixes Diglycidyl ether of bisphenol A No standard allergen Diethylenetetramine 1 %…

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