Median nodule of the upper lip
ORPHA:2699· ICD-10 Q18.8
Definition
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.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal dominant
- Age of onset
- Infancy, Neonatal