Celery phytophotodermatitis in a chef.
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Biomedical subjects
Publications and source records attributed to A M Ruszkowski.
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An 8-year-old boy with reticular erythematous mucinosis syndrome had erythematous plaques on his chest, face, and arms for three years. Sun exposure resulted in pruritus and increased lesions. Histologic examination revealed a perivascular mononuclear cell infiltrate with hematoxylin and eosin staining, positive staining material between the dermal collagen bundles with alcian blue (pH 2.5) staining, and granular basement membrane deposits of IgM with direct immunofluorescence staining. Results of all lupus erythematosus serologies and porphyrin studies were negative. Minimal erythema dose determinations to ultraviolet A and B were normal, and the lesions could not be induced with high doses of irradiation. Topical sunscreens, corticosteroid cream, and systemic beta-carotene produced no therapeutic benefit.
We report two atopic boys with allergic contact dermatitis to nickel. Both children had early onset of atopic dermatitis and subsequently presented with infraumbilical dermatitis corresponding to the site of contact with metal snaps. A positive patch test response to 2.5% nickel sulfate in petrolatum was observed in both boys. Allergic contact dermatitis in patients with atopic dermatitis is not uncommon and probably occurs more often than recognized.
A bartender with hand dermatitis had allergic contact sensitivity to the skin of lemon, lime, and orange but not to their juices. Although most reported cases of citrus peel allergy are due to d-limonene, for our patient, reactions to patch tests for geraniol and citral, two minor components of citrus peel oil, were positive, whereas those for d-limonene were negative. Contact allergy to citrus peel oil should be considered in patients with hand dermatitis who are occupationally exposed to citrus fruits.
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