raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:370046

Didymosis aplasticosebacea

Synonyms: Aplasia cutis congenita-nevus sebaceus syndrome

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

A rare skin disorder characterized by the co-ocurrence of sebaceous nevi with aplasia cutis congenita located directly adjacent or in close proximity and ocular abnormalities including limbal dermoids and coloboma of the conjunctiva.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDidymosis aplasticosebaceaAplasia cutis congenita-nevus sebaceus syndrome
frSyndrome d'aplasie cutanée congénitale-naevus sébacéDidymosis aplasticosebacea
deDidymosis aplasticosebaceaAplasia cutis congenita-Naevus sebaceus-Syndrom
esDidimosis aplasticosebáceaSíndrome de aplasia cutis congénita-nevo sebáceo
itDidimosi aplastico-sebaceaSindrome aplasia cutanea congenita-nevo sebaceo
nlDidymosis aplasticosebaceaAplasia cutis congenita - naevus sebaceus-syndroom
ptDidimose aplasticosebácea
plDidimos aplastycznołojoweZespół wrodzona aplazja skóry-znamię łojowe
csDidymosis aplasticosebaceaSyndrom zahrnující aplasia cutis congenita a sebaceózní névus
ukАпластикозний дидимозСиндром вродженої аплазії шкірного покриву - невус сальних залоз
zh先天性皮肤发育不全-皮脂腺痣综合征先天性皮肤发育不全-皮脂腺痣综合征
trDidimoz aplastikosebaseAplazia kutis doğumsal-nevüs sebase sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q84.8NTBTattributedvalidated
ICD-11LC60NTBTattributedvalidated
MONDO0018259Evalidated
UMLSC4751600Evalidated

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/families18 casesWorldwideCase(s)Validated11385232[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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