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Br J Dermatol. 1990 Oct;123(4):507-14.

Eczematous infiltrated plaques to subcutaneous heparin: a type IV allergic reaction.

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Department of Dermatology, University of Basel, Switzerland.


Two patients are described who had delayed reactions with eczematous plaques to subcutaneous injections of heparin. Subcutaneous challenge with high and low molecular weight heparin compounds were positive in both patients. Patch and intradermal tests with heparin were positive in one subject. Histological and immunohistochemical studies indicated that it was a type IV allergic reaction.

[Indexed for MEDLINE]

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