raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:281090

Syndromic recessive X-linked ichthyosis

Synonyms: Recessive X-linked ichthyosis with extracutaneous manifestations · Syndromic RXLI

Type
Disease
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Childhood
Status
active

A rare genetic skin disease belonging to the Mendelian Disorders of Cornification (MeDOC) characterized by a generally mild cutaneous desquamation in association with extracutaneous manifestations as part of a syndrome.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSyndromic recessive X-linked ichthyosisRecessive X-linked ichthyosis with extracutaneous manifestations · Syndromic RXLI
frIchtyose liée à l'X syndromiqueIchtyose liée à l'X avec manifestations extra-cutanées · Ichtyose récessive liée à l'X syndromique · RXLI syndromique
deIchthyose, syndromale, X-chromosomal-rezessiveIchthyose, X-chromosomal-rezessive, syndromale Form · RXLI, syndromal
esIctiosis sindrómica recesiva ligada al cromosoma X
itIttiosi sindromica recessiva legata all'XIttiosi sindromica recessiva legata all'X · RXLI sindromica
nlSyndromale recessieve X-gebonden ichthyosisRecessieve X-gebonden ichthyosis met extracutane manifestaties · Syndromale RXLI
ptIctiose ligada ao X sindromática recessivaIctiose sindrómica, recessiva ligada ao X · RXLI sindrómica
plSyndromiczna rybia łuska sprzężona z chromosomem XSyndromiczna recesywna rybia łuska sprzężona z chromosomem X · Syndromiczna RXLI
csSyndromická X-vázaná ichtyózaSyndromická RXLI · Syndromická recesivní X-vázaná ichtyóza
ukСиндромний рецесивний іхтіоз, зчеплений з Х-хромосомоюРецесивний Х-зчеплений іхтіоз з позашкірними проявами · Синдром RXLI
zh综合征性X连锁隐性遗传鱼鳞病伴有皮外表现的隐性X连锁鱼鳞病
trSendromik resesif X'e bağlı iktiyozSendrom RXLI · Ekstrakutanöz belirtiler ile seyreden X'e bağlı çekinik iktiyoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM308100NTBTvalidated
ICD-10Q80.1NTBTattributedvalidated
ICD-11LD27.2NTBTindexvalidated
MONDO0017264Evalidated
UMLSC4274085Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
STSRole in the phenotype ofAssessedHGNC:11425ENSG00000101846300747Xp22.31steroid sulfatase3165728[PMID]_10692123[PMID]_15888481[PMID]_18076704[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0001.3 / 100 000EuropeValue and classValidated[EXPERT]

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

21 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000962Hyperkeratosis
HP:0000966Hypohidrosis
HP:0008064Ichthyosis
Frequent (79-30%)
HP:0002381Aphasia
HP:0007018Attention deficit hyperactivity disorder
HP:0007957Corneal opacity
HP:0001263Global developmental delay
HP:0001249Intellectual disability
Occasional (29-5%)
HP:0010866Abdominal wall defect
HP:0002577Abnormal stomach morphology
HP:0004298Abnormality of the abdominal wall
HP:0002488Acute leukemia
HP:0000717Autism
HP:0000028Cryptorchidism
HP:0000135Hypogonadism
HP:0001339Lissencephaly
HP:0000083Renal insufficiency
HP:0001250Seizure
HP:0004322Short stature
HP:0100617Testicular seminoma
HP:0000122Unilateral renal agenesis

Run the differential on the 3 obligate / very frequent terms

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Sources for this card