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Start free with EleplanMedian nodule of the upper lip
ORPHA:2699Malformation syndrome
What it is
A rare familial facial anomaly characterized by a nodule beneath the vermilion border of the upper lip that tapered into the frenulum. The lesion is soft, easily compressible and asymptomatic. It can be wide (up to 8 mm) or flat and less prominent. Regression of the nodule by age has been reported. There have been no further descriptions in the literature since 1994.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy, Neonatal
- Inheritance
- Autosomal dominant
- 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.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
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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