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Biomedical subjects

S Mark Wilkinson

Publications and source records attributed to S Mark Wilkinson.

5 recordsLinked to original sources

Materials and allergens within spectacle frames: a review.

The materials that have been reported as causing allergic contact dermatitis within spectacle frames are identified, and their most likely location on the frame is highlighted. The lack of any real control over spectacle frame quality and content is indicated to be a problem, as is the difficulty in determining the true source of many frames. Much of the information must be obtained from anonymous sources in the industry, historical 'common knowledge' of indeterminate source or reports of dermatological problems.

Allergens↗

Contact allergy to progesterone and estradiol in a patient with multiple corticosteroid allergies.

A 61-year-old woman with a persistent hand and foot dermatitis developed multiple contact allergies to topical steroids. She had a past history of allergic contact dermatitis (ACD) to a hormone replacement patch containing both estrogen and progesterone. The aim of this report is to highlight the potential cross-reactions between topical corticosteroids and sex steroids. Patch testing with a standard series, a corticosteroid series, and the sex steroids progesterone and estradiol was performed. Positive ACD reactions to hydroxyprogesterone, progesterone, and estradiol occurred. There were also multiple corticosteroid allergies. This case demonstrates that patients who develop contact allergies to sex steroids are at risk of developing multiple corticosteroid allergies.

Adrenal Cortex Hormones↗

Type IV hypersensitivity to vitamin K.

The day after intramuscular injection of vitamin K1 (phytomenadione) into her thigh, a 27-year-old-woman with normal liver function developed a relapsing and remitting eczematous reaction localized to the injection site, and later a further eczematous reaction under an adhesive dressing (Duoderm). On patch testing, she was positive to vitamin K1 and cross-reacted to vitamin K4; she was also positive to colophonium and to ester gum rosin, the dressing adhesive. Recurrent angioedema persisted for several months and, 2 years later, symptoms were still occurring over the injection sites. Structure-activity relationships among vitamin K allergens are discussed.

Adult↗