Ch 14

Allerjik Kontakt Dermatit

Vol 1 · sayfa 246 · §3

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Fig. 14.1 Allergic contact dermatitis (ACD). A This erythematous plaque with vesiculation developed in a 14-month-old boy following the application of neomycin ointment. B Erythematous streaks with linear vesicles caused by ACD to poison ivy. A, Courtesy Anthony J. Mancini, MD; B, Courtesy Joyce Rico, MD.

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Fig. 14.1 Allergic contact dermatitis (ACD). A This erythematous plaque with vesiculation developed in a 14-month-old boy following the application of neomycin ointment. B Erythematous streaks with linear vesicles caused by ACD to poison ivy. A, Courtesy Anthony J. Mancini, MD; B, Courtesy Joyce Rico, MD.

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Fig. 14.2 Chronic allergic contact dermatitis (ACD). Chronic foot dermatitis due to ACD to rubber (mercaptobenzothiazole). Courtesy Louis A. Fragola, Jr, MD.

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Fig. 14.3 Persistent hand dermatitis due to chronic allergic contact derma- titis. The allergen was epoxy resin.

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Fig. 14.4 Allergic contact dermatitis to shoes – acute versus chronic. A Extremely pruritic erythematous papules and papulovesicles appeared within days of wearing new sneakers; note the distribution pattern. B Pebbled and lichenified plaques with both hypo- and hyperpigmentation. The patient had a positive patch test to potassium dichromate. Courtesy Louis A. Fragola, Jr, MD.

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Fig. 14.4 Allergic contact dermatitis to shoes – acute versus chronic. A Extremely pruritic erythematous papules and papulovesicles appeared within days of wearing new sneakers; note the distribution pattern. B Pebbled and lichenified plaques with both hypo- and hyperpigmentation. The patient had a positive patch test to potassium dichromate. Courtesy Louis A. Fragola, Jr, MD.

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Fig. 14.5 Acute vesiculobullous allergic contact dermatitis (ACD). A The allergen was neomycin from a topical antibiotic ointment. B The allergen was urushiol in poison ivy; this distribution pattern is seen in patients who wear gloves. A, Courtesy Jonathan Chan, MD.

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Fig. 14.5 Acute vesiculobullous allergic contact dermatitis (ACD). A The allergen was neomycin from a topical antibiotic ointment. B The allergen was urushiol in poison ivy; this distribution pattern is seen in patients who wear gloves. A, Courtesy Jonathan Chan, MD.

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Fig. 14.6 Acute allergic contact dermatitis with a prominent component of edema. A Periorbital edema, in addition to crusted and weeping plaques, due to poison ivy. B Allergic contact dermatitis to methylisothiazolinone in a wet wipe used to remove make-up. A, Courtesy Jean L. Bolognia, MD.

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Fig. 14.6 Acute allergic contact dermatitis with a prominent component of edema. A Periorbital edema, in addition to crusted and weeping plaques, due to poison ivy. B Allergic contact dermatitis to methylisothiazolinone in a wet wipe used to remove make-up. A, Courtesy Jean L. Bolognia, MD.

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Fig. 14.7 Allergic contact dermatitis due to aloe-containing cream. The degree of involvement on the upper and lower lips is similar, as opposed to actinic cheilitis. In the latter scale is predominantly on the lower vermilion lip.

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Fig. 14.8 Persistent hand dermatitis due to chronic allergic contact dermatitis. A In this machine operator, the allergen was black rubber. B The allergen was methylisothiazolinone in sanitary wet wipes.

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Fig. 14.8 Persistent hand dermatitis due to chronic allergic contact dermatitis. A In this machine operator, the allergen was black rubber. B The allergen was methylisothiazolinone in sanitary wet wipes.

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Fig. 14.10 Allergic contact dermatitis due to cashew nut shell oil. This represented an occupational exposure.

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Fig. 14.10 Allergic contact dermatitis due to cashew nut shell oil. This represented an occupational exposure.

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Fig. 14.12 Placement of allergens to the patient’s back utilizing allergEAZE® chambers.

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Fig. 14.14 Patch test reactions. A +/− to + reaction. B, C + reaction. D ++ reaction. E +++ reaction. F Erythematous papules at the edge of the Finn chamber application site (rim or edge effect). G Pustular irritant reaction at the site of the application of a metalworking fluid. The adjacent skin impression of a chamber reflects good adherence. H Three different patch test reactions: +/− to quaternium-15, + to formaldehyde, and ++ to nickel.

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Fig. 14.15 Allergic contact dermatitis to fragrance found in cologne. A Patient at the time of diagnosis. B Patient after avoidance of fragrances and his cologne.

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Fig. 14.15 Allergic contact dermatitis to fragrance found in cologne. A Patient at the time of diagnosis. B Patient after avoidance of fragrances and his cologne.

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Fig. 14.17 Allergic contact dermatitis to p-phenylenediamine in a temporary tattoo.

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Fig. 14.19 Systemic contact dermatitis. This patient, who was previously sensi- tized to ethylenediamine, received intravenous aminophylline.

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Fig. 14.21 Airborne contact dermatitis. A, B The allergen was an epoxy resin. Note the involvement of the eyelids. C The detected allergens were decyl glucoside, fragrance, thiuram, and carba mix.

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Fig. 14.21 Airborne contact dermatitis. A, B The allergen was an epoxy resin. Note the involvement of the eyelids. C The detected allergens were decyl glucoside, fragrance, thiuram, and carba mix.

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Fig. 14.21 Airborne contact dermatitis. A, B The allergen was an epoxy resin. Note the involvement of the eyelids. C The detected allergens were decyl glucoside, fragrance, thiuram, and carba mix.

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