raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:64754

Nevus comedonicus syndrome

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Childhood, Infancy, Neonatal
Status
active

A rare, syndromic nevus characterized by the association of typically unilateral, closely arranged, linear, slightly elevated, multiple, nevus comedonicus lesions located usually on the face, neck, trunk or limbs (with or without a central, dark, firm, hyperkeratotic plug and secondary acneiform lesions) with extracutaneous ocular, skeletal, and/or central nervous system abnormalities, such as ipsilateral cataract, corneal erosion, poly-/syndactyly, absent fifth finger, scoliosis, vertebral defects, corpus callosum agenesis, seizures, interhemispheric cyst, intellectual deficiency, and/or developmental delay.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNevus comedonicus syndrome
frSyndrome du naevus comédonienNaevus comedonicus
deNaevus comedonicus-Syndrom
esSíndrome del nevus comedonicus
itSindrome del nevo comedonico
nlNevus comedonicus-syndroom
ptSíndrome nevus comedonicus
plZespół znamienia zaskórnikowego
csSyndrom nevus comedonicus
ukСиндром комедонального невуса
zh黑头粉刺样痣综合征
trNevüs komedonikus sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617025Evalidated
ICD-10Q82.5NTBTindexvalidated
ICD-11LD2D.YNTBTindexvalidated
MONDO0014873Evalidated
UMLSC0265987Evalidated
GARD13073Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NEK9Disease-causing somatic mutation(s) inAssessedHGNC:18591ENSG0000011963860979814q24.3NIMA related kinase 927153399[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_23888253[PMID]

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

16 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0025249Comedo
HP:0010566Hamartoma
Occasional (29-5%)
HP:0001760Abnormal foot morphology
HP:0003468Abnormal vertebral morphology
HP:0001595Abnormality of the hair
HP:0000518Cataract
HP:0006101Finger syndactyly
HP:0008064Ichthyosis
HP:0000252Microcephaly
HP:0001052Nevus flammeus
HP:0100258Preaxial polydactyly
HP:0002650Scoliosis
HP:0001250Seizure
HP:0002414Spina bifida
HP:0003298Spina bifida occulta
HP:0001770Toe syndactyly

Run the differential on the 2 obligate / very frequent terms

Annotation source: 20542174[PMID]_23888253[PMID]

7

Sources for this card