raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:163971

X-linked intellectual disability, Cilliers type

Synonyms: X-linked intellectual disability-microcephaly-testicular failure syndrome

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

A rare multiple congenital anomalies/dysmorphic syndrome characterized by short stature, hypergonadotropic hypogonadism associated with small and abnormal testes, microcephaly, small hands and nails, fifth finger clinodactyly, mild facial dysmorphism (deep-set eyes, prominent supraorbital ridges, high nasal bridge, large ears), and mild learning difficulties.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked intellectual disability, Cilliers typeX-linked intellectual disability-microcephaly-testicular failure syndrome
frDéficience intellectuelle liée à l'X type CilliersSyndrome de déficience intellectuelle liée à l'X-microcéphalie-insuffisance testiculaire
deIntelligenzminderung, X-chromosomale, Typ CilliersSyndrom der X-chromosomalen Intelligenzminderung mit Mikrozephalie und Hodenversagen
esDiscapacidad intelectual ligada al cromosoma X tipo CilliersSíndrome de discapacidad intelectual-microcefalia-insuficiencia testicular ligado al cromosoma X
itDisabilità intellettiva legata all'X, tipo CilliersSindrome disabilità intellettiva-microcefalia-insufficienza testicolare legata all'X
nlX-gebonden intellectuele achterstand, Cilliers-typeX-gebonden intellectuele achterstand - microcefalie - testiculair falen-syndroom
ptPerturbação do desenvolvimento intelectual ligada ao X, tipo CilliersSíndrome de perturbação do desenvolvimento intelectual ligada ao X-microcefalia-falência testicular
plNiepełnosprawność intelektualna sprzężona z chromosomem X, typ CilliersaNiepełnosprawność intelektualna sprzężona z chromosomem X - małogłowie - niewydolność jąder
csX-vázaná mentální retardace, Cilliersové typSyndrom zahrnující X-vázanou mentální retardaci, mikrocefalii a testikulární selhání
ukХ-зчеплена розумова відсталість, тип CilliersХ-зчеплена розумова відсталість-мікроцефалія-тестикулярна недостатність
zhCilliers 型X连锁智力障碍X连锁智力障碍-小头畸形-睾丸衰竭综合征
trX'e bağlı zihinsel yetersizlik, Cilliers tipiX'e bağlı zihinsel yetersizlik-mikrosefali-testis yetmezliği sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD90NTBTattributedvalidated
MONDO0015600Evalidated
UMLSC4305024Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_17369115[PMID]
Cases/families4 casesWorldwideCase(s)Validated17369115[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

25 annotations · validated 2016-04-13
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0008187Absence of secondary sex characteristics
HP:0004209Clinodactyly of the 5th finger
HP:0004440Coronal craniosynostosis
HP:0000028Cryptorchidism
HP:0040171Decreased serum testosterone concentration
HP:0008734Decreased testicular size
HP:0000490Deeply set eye
HP:0002750Delayed skeletal maturation
HP:0001508Failure to thrive
HP:0000815Hypergonadotropic hypogonadism
HP:0000837Increased circulating gonadotropin level
HP:0001256Intellectual disability, mild
HP:0000400Macrotia
HP:0000026Male hypogonadism
HP:0000426Prominent nasal bridge
HP:0000336Prominent supraorbital ridges
HP:0004322Short stature
HP:0200055Small hand
HP:0001792Small nail
Frequent (79-30%)
HP:0000252Microcephaly
Occasional (29-5%)
HP:0000047Hypospadias
HP:0011999Paranoia
HP:0000709Psychosis
HP:0100962Shyness

Run the differential on the 12 obligate / very frequent terms

Annotation source: 17369115[PMID]

7

Sources for this card