May 2007

The “Louse Blouse” as a Cause of Erythroderma

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Copyright 2007 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2007

Arch Dermatol. 2007;143(5):682. doi:10.1001/archderm.143.5.682

The diagnosis of pediculosis corporis is often straightforward; however, rare presentations may cause a diagnostic dilemma. We have seen cases in which body lice infestation results in an erythrodermic eruption. Notably, affected skin was limited to areas covered by clothing, and the face and hands were spared. Erythematous, lichenified, scaly plaques and linear excoriations were noted over the entire trunk, upper extremities, and lower extremities with sharp demarcation and transition to normal skin at the wrists and neck (Figures 1, 2, and 3). Body lice were diagnosed by visualization.

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