raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2699

Median nodule of the upper lip

historical

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
historical

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.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMedian nodule of the upper lip
frNodule de la lèvre supérieure
deMedianes Knötchen der Oberlippe
esNódulo mediano del labio superior
itNodulo del labbro superiore
nlMediane nodulus van bovenlipKnobbel op midden van bovenlip
ptNódulo mediano do lábio superior
plGuzek pośrodkowy górnej wargi
csMediánní nodulus horního rtu
ukСерединний вузлик верхньої губи
zh上唇正中结节
trÜst dudak medyan nodülü

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM151630Evalidated
ICD-10Q18.8NTBTattributedvalidated
MONDO0007904Evalidated
UMLSC1835396Evalidated
GARD3440Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 familiesWorldwideFamily(ies)Validated8030663[PMID]_1068420[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated8030663[PMID]_1068420[PMID]_ORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card