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October 1978

Urticaria and Polymyositis

Author Affiliations

From the Departments of Dermatology, University of Louisville (Dr Callen) and University of Michigan, Ann Arbor (Dr Dubin).

Arch Dermatol. 1978;114(10):1545-1546. doi:10.1001/archderm.1978.01640220088025

Urticaria is rarely a manifestation of internal disorders.1,2 It has been reported in association with dermatomyositis once previously.3 However, Braverman thought that the incidence of urticaria is not greater in cases of dermatomyositis or polymyositis than is to be expected in the general population.1 We report a case of polymyositis that occurred with urticarial vasculitis with each exacerbation.

Report of a Case  A 29-year old woman was first admitted to the University of Michigan Medical Center in 1971 for evaluation of urticaria and migratory muscular aching. She had an 11-year history of insulin-dependent diabetes mellitus. Two months prior to admission she began experiencing transient hives, which lasted four to eight hours. She reported that a slight bluish discoloration followed the disappearance of the lesion. The lesions occurred more frequently on the legs. After the onset of the urticaria, she began to note progressive muscle aching and to

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