Cases reported "Dermatitis, Irritant"

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1/3. Contact dermatitis due to povidone-iodine: allergic or irritant?

    A contact dermatitis due to to povidone-iodine (PI) which seemed to be a strong irritant reaction is described. Nevertheless, patch-test results suggested an allergic reaction that is cell mediated.
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keywords = patch
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2/3. Olive oil--contact sensitizer or irritant?

    Adverse cutaneous reactions to topically applied olive oil are seldom reported, and positive patch tests to it are mostly regarded as allergic. To evaluate such "positive" patch test reactions, 77 female (mean age: 44 years) and 23 male eczema patients (mean age: 46 years) were prospectively patch tested with freshly prepared olive oil. Tests were performed openly (including ROAT) as well as using Al-tests and Finn Chambers on Scanpor. 5 patients (2 male) showed "positive" test reactions (all patients at the Al-test site, 3 at the Finn Chamber site, 1 with ROAT). In only 1 patient could the reaction be classified as probably allergic, in contrast to previous reports. In conclusion, olive oil is very weakly irritant in general, but bears relevant irritant capacity when applied under occlusive conditions. Therefore, olive oil appears to be less than suitable for the topical therapy of patients with venous insufficiency and associated eczema of the lower extremities.
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ranking = 808.59134400317
keywords = patch test, patch
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3/3. Occupational dermatoses in cheese makers: frequent association of irritant, allergic and protein contact dermatitis.

    BACKGROUND: Few data are available on occupational dermatoses in cheese makers. OBJECTIVE: The purpose of the present study was to investigate occupationally related skin diseases in cheese makers. METHOD: In a retrospective study we analyzed 400 patients with occupational dermatoses which presented for expert opinion evaluation at our institution (1990-1995). RESULTS: Four patients with hand eczema acquired in cheese dairies were identified. All patients had a decreased alkali resistance. Atopy was a further risk factor in 2 patients. Three out of 4 patients were patch test positive for occupationally related substances and demonstrated also immediate skin test reactions to various milk products. Therefore, these patients had concurrent allergic contact and protein contact dermatitis. CONCLUSION: The diagnosis of concurrent allergic and protein contact dermatitis has to be considered in occupational dermatoses related to cheese making.
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ranking = 269.53044800106
keywords = patch test, patch
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