Pigmented purpuric dermatitis; pigmented purpuric eruption; subgroups: Schamberg disease (progressive pigmentary dermatosis); itching purpura of Loewenthal; eczematid-like purpura of Doucas and Kapetanakis; pigmented purpuric lichenoid dermatosis of Gougerot and Blum; lichen aureus; purpura annularis telangiectoides (Majocchi disease)
Group of chronic diseases characterized by extravasation of erythrocytes in the skin with marked hemosiderin deposition
Venous hypertension, exercise, and gravitational dependency possible cofactors
Reddish-brown, speckled discoloration in patches or plaques
Schamberg variant: cayenne pepper-like punctate petechial macules in a larger pur-puric patch
Lichen aureus variant: golden-yellow patch, most commonly on the leg Majocchi variant: annular patches of purpura with telangiectasia Gougerot and Blum variant: lichenoid surface change
Piette WW (1994) The differential diagnosis of purpura from a morphologic perspective. Advances in Dermatology 9:3-23
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