Cases reported "Dermatitis, Contact"

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1/3. Occupational allergic contact dermatitis to isophorone diamine (IPD) used as an epoxy resin hardener.

    Three patients employed in the manufacture of plastic tennis rackets developed allergic contact dermatitis to isophorone diamine (IPD), an epoxy resin hardener, and concomitantly to epoxy resin. patch tests were positive to IPD at 1, 2 and 5% in olive oil and to IPD at 1, 2 and 5% in ethanol. Investigations were conducted in control subjects to confirm the allergic nature of reactions. A review of the literature about IPD and related compounds is presented.
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ranking = 1
keywords = olive
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2/3. Allergic contact dermatitis caused by olive wood jewelry.

    A case of allergic contact dermatitis to olive wood occurred. To our knowledge, this is the first such case reported. The diagnosis was confirmed by positive patch tests to scrapings from olive wood and to the quinone compound fractions isolated from an extract of olive wood by thin-layer chromatography. The sensitizing properties of olive wood were proved by experimental sensitization of two guinea pigs that reacted positively to a raw extract an to the fractionated quinone compounds from olive wood after sensitization. The chemical analysis made has shown, for the first time, that olive wood contains quinoid compounds belonging to the same group as the strong sensitizers desoxylapachol from teakwood and the dalbergiones from Brazilian and East Indian rosewood. However, compared with teakwood and rosewood, olive wood can only be considered a relatively weak sensitizer.
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ranking = 11
keywords = olive
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3/3. Sensitization to olive oil (olea europeae).

    Sensitization to olive oil is seldom reported in the literature. By use of epicutaneous tests a delayed type of hypersensitivity to pure freshly-prepared olive oil could be demonstrated in two patients. patch tests with certain major constituents of olive oil; the methyl ester of linoleic acid, the glyceryl ester of palmitic acid, the glyceryl ester of stearic acid, glyceryl trioleate and glycerids of arachidic acid, appeared to be negative. In one patient a weak reaction to balsam of peru was found. It is concluded that sensitization to olive oil must be taken into consideration, especially when it is used as a vehicle in patch testing.
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ranking = 8
keywords = olive
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