Pigmented purpuric dermatosis
| Pigmented purpuric dermatosis | |
|---|---|
| Specialty | Dermatology  |
Pigmented purpuric dermatosis (also known as "progressive pigmentary dermatosis," "purpura pigmentosa chronica," "pigmentary purpuric eruptions," or "progressive pigmenting purpura" or "Schamberg's disease") refers to one of the three major classes of skin conditions characterized by purpuric skin eruptions.
Pigmented purpuric dermatosis are distinguished from other purpura by size (0.3–1 cm) and are most often seen in the lower extremities.[1]: 829 Pigmentary purpuric eruptions may present with one of several clinical patterns. There may be overlapping characteristics among pigmented purpuric dermatosis and between their signs and those of other purpuric eruptions.[1]: 829 Examples of the pigmented purpuric dermatosis group include:[1]: 829–30
- Schamberg's disease
- Majocchi's disease (Purpura annularis telangiectodes)
- Gougerot-Blum syndrome (Pigmented purpuric lichenoid dermatitis)
- Ducas and Kapetanakis pigmented purpura
- Lichen aureus
Although vascular damage may be present, it is insufficient for these conditions to be considered forms of vasculitis.[2]
See also
References
- ^ a b c James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
- ^ David E. Elder; Rosalie Elenitsas; Michael D Ioffreda; Bernett L. Johnson, Jr. (2007). Atlas and synopsis of Lever's histopathology of the skin. Lippincott Williams & Wilkins. pp. 127–. ISBN 978-0-7817-6845-0. Retrieved 22 May 2010.
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