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Start free with EleplanCutaneous small vessel vasculitis
ORPHA:889Disease
Also called Cutaneous hypersensitivity vasculitis
What it is
A small vessel vasculitis characterized by neutrophilic inflammation predominantly limited to the superficial cutaneous postcapillary venules and without systemic vasculitis or glomerulonephritis. Typical presentation is of unifocal or multifocal palpable purpura on the lower extremities.
Key facts
- Prevalence
- 1-9 / 100 000 (Norway)
- Age of onset
- All ages
- Inheritance
- Not applicable
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Very common80–99%
10These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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