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Start free with EleplanSegmental venous malformation
ORPHA:217008Malformation syndrome
Also called Bockenheimer syndrome · Extensive venous malformation · Genuine diffuse phlebectasia
What it is
A rare vascular anomaly characterized by congenital, progressive, circumscribed venous malformations (phlebectasias) primarily involving the upper and/or lower extremities, either on one side or bilaterally. The malformed vessels are visible beneath the skin. Veins of all sizes are affected. Pain, swelling, muscle wasting, and ulceration may occur.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Childhood, Neonatal
- Inheritance
- Not applicable
- Classified as
- Malformation syndrome
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%
8Common30–79%
9These 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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