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Article
December 1966

Urticarial Dermographism: Report of Occurrence in Identical Twins: A Method for Quantitating Urticarial Skin Sensitivity

Author Affiliations

WASHINGTON, DC

From the Department of Medicine, Services of Dermatology and Allergy, USAF Hospital, Andrews Air Force Base, Washington, DC.

Arch Dermatol. 1966;94(6):716-719. doi:10.1001/archderm.1966.01600300040008
Abstract

The simultaneous occurrence of urticarial dermographism in monozygotic twins is reported. Studies suggested successful passive tranfer with sera. A simple device for estimating the pressures necessary to induce whealing is described. Preliminary results indicate that persons who urticate at a pressure of 32 gm/sq mm or less are clinically symptomatic. Hydroxyzine treatment was effective.

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