Persistent Pigmented Purpuric Dermatitis

Synonyms: Pigmented purpuric dermatitis; progressive pigmented prupura.

Clinical Presentation (Fig. 5A):

■ Purpuric macules and papules, sometimes scaly

■ Symmetrically involving legs and thighs, rarely the trunk and the upper extremities

■ Variations include Schamberg's disease (purpuric and pigmented macules), lichenoid purpura of

Pathophysiology:

■ Unknown, but drugs as well as infectious foci have been claimed to induce the eruption.

Reference:

1. Ackerman AB, Boer A, Bennin B, Gottlieb GJ. Histologic Diagnosis of Inflammatory Skin Diseases. 3rd ed. New York: Ardor Scribendi, 2005.

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