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Contact Dermatitis. 2014 Feb;70(2):98-103. doi: 10.1111/cod.12122. Epub 2013 Sep 19.

Systemic allergic dermatitis caused by Apiaceae root vegetables.

Author information

1
Department of Dermatology and Allergy Centre, Odense University Hospital, University of Southern Denmark, DK-5000, Odense C, Denmark.

Abstract

BACKGROUND:

Immediate hypersensitivity reactions to root vegetables of the Umbelliferae plant family (Apiaceae) is well known. Delayed-type hypersensitivity is rarely reported.

OBJECTIVE:

To report the first case of systemic contact dermatitis caused by root vegetables and some chemical implications.

MATERIALS AND METHODS:

Prick and patch testing were performed with fresh vegetables and selected allergens, and this was followed by high-performance liquid chromatography-mass spectrometry (MS)/MS analysis of the falcarinol syringe.

RESULTS:

The patient was contact-sensitive to celeriac, parsnip, and carrot, but tested negative to falcarinol. Subsequent analysis showed that the syringe contained falcarinol.

CONCLUSION:

The non-occupational sensitization resulting from both direct and systemic contact with Apiaceae root vegetables was apparently not caused by falcarinol.

KEYWORDS:

Apiacae; Apium graveolens var. rapaceum; Daucus carota; Pastinaca sativa; allergic contact dermatitis; carrot; celeriac; parsnip; patch testing; systemic allergic dermatitis

PMID:
24102077
DOI:
10.1111/cod.12122
[Indexed for MEDLINE]

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