raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:85326

X-linked intellectual disability, Stoll type

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Infancy, Neonatal
Status
active

X-linked intellectual disability, Stoll type is characterised by intellectual deficit, short stature and characteristic facies (hypertelorism, prominent forehead, frontal bossing, a broad nasal tip and anteverted nares). It has been described in four males from three generations of the same family. Two females from this family also displayed intellectual deficit and the characteristic facies. Transmission is X-linked.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked intellectual disability, Stoll type
frDéficience intellectuelle liée à l'X type Stoll
deIntelligenzminderung, X-chromosomale, Typ Stoll
esDiscapacidad intelectual ligada al cromosoma X tipo Stoll
itDisabilità intellettiva legata all'X, tipo Stoll
nlX-gebonden intellectuele achterstand, Stoll-type
ptPerturbação do desenvolvimento intelectual ligada ao X, tipo Stoll
plNiepełnosprawność intelektualna typu Stolla sprzężona z chromosomem X
csX-vázaná mentální retardace, Stollův typ
ukХ-зчеплена розумова відсталість, тип Штолля
zhX连锁智力障碍,Stoll型
trX'e bağlı zihinsel yetersizlik, Stoll tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD90NTBTattributedvalidated
MONDO0019423Evalidated
UMLSC4305075Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated1877628[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1877628[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

12 annotations · validated 2019-08-09
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000463Anteverted nares
HP:0000455Broad nasal tip
HP:0004209Clinodactyly of the 5th finger
HP:0002007Frontal bossing
HP:0000316Hypertelorism
HP:0005281Hypoplastic nasal bridge
HP:0001249Intellectual disability
HP:0002003Large forehead
HP:0000343Long philtrum
HP:0000272Malar flattening
HP:0004322Short stature
HP:0000349Widow's peak

Annotation source: 1877628[PMID]

7

Sources for this card