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Granulomatous pigmented purpuric dermatosis: report of a Latin-American case with blaschkoid distribution Please cite this article as: Carvajal D, Quiroz C, Morales C, Fernández J. Granulomatous pigmented purpuric dermatosis: report of a Latin-American case with blaschkoid distribution. An Bras Dermatol. 2019;94:582-5. ☆☆ ☆☆ Study conducted at the Clinical Hospital University of Chile, Santiago, Chile.

Abstract

Granulomatous pigmented purpuric dermatosis clinically manifests as hyperpigmented maculae and petechiae, predominantly on the lower extremities. Histopathologically, it is characterized by a lymphocytic infiltrate in the upper dermis, extravasated erythrocytes, and hemosiderin deposits. There is an infrequent variant called granulomatous pigmented purpuric dermatosis, which histologically is characterized by the presence of non-necrotizing granulomas associated with the classic findings of other pigmented purpuric dermatoses. It more frequently affects middle-aged women of Asian origin, and predominantly on the lower extremities. The authors present the case of a female patient with granulomatous pigmented purpuric dermatosis on the lower extremities with blaschkoid distribution.

KEYWORDS
Dyslipidemias; Granuloma; Skin diseases, vascular

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