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Biomedical subjects

S C Rackett

Publications and source records attributed to S C Rackett.

5 recordsLinked to original sources

Contact dermatitis to multiple exotic woods.

Occupational contact dermatitis to individual wood species from foreign countries, such as Asia, Africa, Central America, and South America, has been described. This report concerns the case of a domestic woodworker who developed allergic contact dermatitis shortly after beginning to work with multiple exotic woods. Patch testing with domestic and exotic wood fresh sawdust samples, 1% and 10% in petrolatum, yielded strong positive reactions to six exotic woods: zericote, pao ferro, cocobolo, becote, macassar ebony, and padauk. Later testing confirmed sensitivity to the allergenic quinonoid constituents in pao ferro (R-3,4-dimethoxydalbergione), cocobolo (obtusaquinone), and macassar ebony (macassar quinone).

Dermatitis, Allergic Contact↗

Impetigo herpetiformis and Staphylococcus aureus lymphadenitis in a pregnant adolescent.

We report a 15-year-old primagravida female with a history of chronic plaque psoriasis who developed impetigo herpetiformis at 28 weeks gestation. Culture of a needle aspirate from a tender, enlarged cervical lymph node grew Staphylococcus aureus. The patient improved rapidly on wet dressings, topical midpotency corticosteroids, and intravenous nafcillin. The remainder of her pregnancy was uncomplicated. We speculate that both pregnancy and infection led to this pustular flare of her psoriasis.

Adolescent↗