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Article
March 1992

Linear IgA Bullous Dermatosis Associated With Dermatomyositis

Author Affiliations

Department of Dermatology; Department of Internal Medicine (Rheumatology) The University of Texas Medical School at Houston 6431 Fannin, Suite 1.204 Houston, TX 77030

Arch Dermatol. 1992;128(3):413-414. doi:10.1001/archderm.1992.01680130135028
Abstract

To the Editor.—  Linear IgA bullous dermatosis is a vesiculobullous eruption characterized by linear deposits of IgA along the basement membrane zone that are seen by using direct immunofluorescence methods.1 We report an unusual case of linear IgA bullous dermatosis with dermatomyositis developing soon thereafter.

Report of a Case.—  In January 1990, an erythematous scaly eruption on the trunk and extensor surfaces developed in a 56-year-old white woman. Four months later, bullae developed on her lower extremities, whereupon she was referred to the dermatology service.Findings from her physical examination revealed a patchy erythematous scaly eruption on her face, trunk, and extensor surfaces and several 4- to 5-mm tense bullae on her lower extremities. Laboratory studies showed the following normal or negative findings: complete blood cell count with platelets, chemistry profile, urinalysis, erythrocyte sedimentation rate, creatinine phosphokinase, total complement level, antinuclear antibody, and rheumatoid factor. The biopsy specimen of a bullous lesion revealed a subepidermal blister

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