raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:59303

Neonatal ichthyosis-sclerosing cholangitis syndrome

Synonyms: IHSC · Ichthyosis-hypotrichosis-sclerosing cholangitis syndrome · NISCH syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
active

Neonatal ichthyosis-sclerosing cholangitis (NISCH syndrome) is a very rare complex ichthyosis syndrome characterized by scalp hypotrichosis, scarring alopecia, ichthyosis and sclerosing cholangitis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNeonatal ichthyosis-sclerosing cholangitis syndromeIHSC · Ichthyosis-hypotrichosis-sclerosing cholangitis syndrome · NISCH syndrome
frSyndrome néonatal d'ichtyose-cholangite sclérosanteIHSC · Syndrome NISCH · Syndrome d'ichtyose-hypotrichose-cholangite sclérosante
deNeonatale Ichthyose-sklerosierende Cholangitis-SyndromIHSC · Ichthyosis mit Hypotrichose und sklerosierender Cholangitis · NISCH-Syndrom
esSíndrome neonatal de ictiosis-colangitis esclerosanteIHSC · Síndrome NISCH · Síndrome de ictiosis-hipotricosis-colangitis esclerosante
itIttiosi - ipotricosi - colangite sclerosanteIHSC · Sindrome NISCH
nlNeonatale ichthyosis - scleroserende cholangitis-syndroomIHSC · Ichthyosis - hypotrichose - scleroserende cholangitis-syndroom · NISCH-syndroom
ptSíndrome de ictiose neonatal-colangite esclerosanteSíndrome NISCH
plNoworodkowy zespół rybiej łuski i stwardniającego zapalenia dróg żółciowychIHSC · Zespół NISCH · Zespół rybiej łuski, hipotrichozy i stwardniającego zapalenia dróg żółciowych
csSyndrom zahrnující ichtyózu, hypotrichózu a sklerotizující cholangitiduIHSC · NISCH syndrom
ukСиндром неонатального іхтіозу-склерозуючого холангітуСиндром іхтіозу-гіпотрихозу-склерозуючого холангіту · IHSC · Синдром NISCH
zh新生儿鱼鳞病-硬化性胆管炎综合征鱼鳞病-毛发稀少-硬化性胆管炎综合征
trYenidoğan iktiyoz-sklerozan kolanjit sendromuIHSC · NISCH sendromu · İktiyoz-hipotrikoz-sklerozan kolanjit sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607626Evalidated
ICD-10Q80.8NTBTattributedvalidated
ICD-11DB96.2YNTBTindexvalidated
MONDO0011874Evalidated
MeSHC564365Evalidated
UMLSC1843355Evalidated
GARD10583Evalidated

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 (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CLDN1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:2032ENSG000001633476037183q28claudin 115521008[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families12 casesWorldwideCase(s)Validated22030598[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22030598[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

15 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001396Cholestasis
HP:0002240Hepatomegaly
HP:0008064Ichthyosis
HP:0000952Jaundice
HP:0004552Scarring alopecia of scalp
HP:0002231Sparse body hair
HP:0045075Sparse eyebrow
HP:0000653Sparse eyelashes
HP:0002209Sparse scalp hair
HP:0001744Splenomegaly
Occasional (29-5%)
HP:0000682Abnormality of dental enamel
HP:0000956Acanthosis nigricans
HP:0000668Hypodontia
HP:0000677Oligodontia
HP:0001409Portal hypertension

Run the differential on the 10 obligate / very frequent terms

7

Sources for this card