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Overview This group of diseases includes Schamberg’s disease, purpura annularis telangiectodes (of Majocchi), lichenoid pigmented purpura (of Gougerot and Blum), eczematoid purpura of Doucas and Kapetanakis (disseminated pruriginous angiodermatitis), and lichen aureus. For the most part, these conditions are idiopathic, although a pigmented purpuric drug eruption or contact dermatitis must be excluded. Cutaneous T cell […]