raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:281139

Annular epidermolytic ichthyosis

Synonyms: AEI

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare clinical variant of epidermolytic ichthyosis (EI) characterized by the presence of a blistering phenotype at birth and the development from early infancy of annular polycyclic erythematous scales on the trunk and extremities.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAnnular epidermolytic ichthyosisAEI
frIchtyose épidermolytique annulaire= en
deIchthyose, anuläre epidermolytische= en
esIctiosis epidermolítica anular= en
itIttiosi epidermolitica anulare= en
nlAnnulaire epidermolytische ichthyosisAEI · Ringvormige epidermolytische ichthyosis
ptIctiose epidermolítica anular= en
plRybia łuska pierścieniowa epidermolityczna= en
csAnulární epidermolytická ichtyóza= en
ukКільцевий епідермолітичний іхтіоз= en
zh环状表皮松解性鱼鳞病= en
trAnüler epidermolitik iktiyoz= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607602BTNTvalidated
OMIM620148BTNTvalidated
ICD-10Q80.3NTBTattributedvalidated
ICD-11EC20.03NTBTindexvalidated
MONDO0011870Evalidated
UMLSC1843463Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KRT1Disease-causing germline mutation(s) inAssessedHGNC:6412ENSG0000016776813935012q13.13keratin 110053007[PMID]
KRT10Disease-causing germline mutation(s) inAssessedHGNC:6413ENSG0000018639514808017q21.2keratin 109856845[PMID]_9036939[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 familiesWorldwideFamily(ies)Validated17596149[PMID]_14594577[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