raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:480880

X-linked female restricted facial dysmorphism-short stature-choanal atresia-intellectual disability

Synonyms: X-linked facial dysmorphism-short stature-choanal atresia-intellectual disability syndrome limited to females

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

A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by global developmental delay, intellectual disability, and dysmorphic facial features (such as facial asymmetry, prominent forehead, short palpebral fissures, low nasal bridge, smooth and long philtrum, thin upper lip, and low-set, posteriorly rotated, dysplastic ears), exclusively affecting females. Additional reported manifestations include short stature, choanal atresia, scoliosis, congenital ocular, dental, cardiac, and urogenital anomalies, as well as hypotonia, seizures, and structural brain abnormalities, among others.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked female restricted facial dysmorphism-short stature-choanal atresia-intellectual disabilityX-linked facial dysmorphism-short stature-choanal atresia-intellectual disability syndrome limited to females
frSyndrome de dysmorphie faciale-petite taille-atrésie des choanes-déficience intellectuelle lié à l'X limité à la femmeSyndrome de dysmorphie faciale-petite taille-atrésie choanale-déficience intellectuelle lié à l'X limité à la femme
deX-chromosomale Gesichtsdysmorphien-Kleinwuchs-Choanalatresie-Intelligenzminderung-Syndrom, auf das weibl. Geschl. beschränkt
esDismorfia facial restringida a mujeres ligada al cromosoma X-talla baja-atresia de coanas-discapacidad intelectualSíndrome de dismorfia facial-talla baja-atresia de coanas-discapacidad intelectual restringido a mujeres ligado al cromosoma X
itDismorfismi facciali-bassa statura-atresia delle coane-disabilità intellettiva legata all'X limitata alle femmineSindrome dismorfismi facciali-bassa statura-atresia delle coane-disabilità intellettiva legata all'X limitata alle femmine
nlX-gebonden tot vrouwen beperkte faciale dysmorfie - kleine gestalte - choane atresie - intellectuele achterstandX-gebonden faciale dysmorfie - kleine gestalte - choane atresie - intellectuele achterstand-syndroom beperkt tot vrouwen
ptDismorfia facial-baixa estatura-atrésia das coanas-perturbação do desenvolvimento intelectual ligada ao X restrito ao femininoDismorfia facial ligada ao X-baixa estatura-atrésia das coanas-perturbação do desenvolvimento intelectual restrito ao feminino
plDysmorfia twarzy-niski wzrost-atrezja nozdrzy-niepełnosprawność intelektualna sprzężona z chromosomem X występująca u kobiet= en
csX-vázaná mentální retardace s faciálním dysmorfismem, malým vzrůstem, choanální atrézií omezená na ženské pohlavíX-linked facial dysmorphism-short stature-choanal atresia-intellectual disability syndrome limited to females · Syndrom X-vázaného obličejového dysmorfismu, malého vzrůstu, choanální atrézie a mentálního postižení omezený na ženy
ukХ-зчеплений жіночий обмежений дизморфізм обличчя-низькорослість-атрезія хоан-розумова відсталістьХ-зчеплений синдром дизморфізму обличчя - низького зросту - атрезії хоан - інтелектуальної недостатності, характерний лише для жінок
zhX连锁-仅限于女性-面部畸形-身材矮小-鼻后孔闭锁-智力障碍= en
trX'e bağlı kadında görülen yüz dismorfizmi-kısa boy-koanal atrezi-zihinsel yetersizlikX-bağlı fasiyal dismorfizmi-kısa boy-koanal atrezi-kadınlarla sınırlı zihinsel yetersizlik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300968Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0018821Evalidated
UMLSC5567523Evalidated
GARD13638Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
USP9XDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:12632ENSG00000124486300072Xp11.4ubiquitin specific peptidase 9 X-linked26833328[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families17 casesWorldwideCase(s)Validated26833328[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_26833328[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

90 annotations · validated 2019-09-11
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001263Global developmental delay
HP:0002342Intellectual disability, moderate
Frequent (79-30%)
HP:0002536Abnormal cortical gyration
HP:0000478Abnormality of the eye
HP:0000119Abnormality of the genitourinary system
HP:0002023Anal atresia
HP:0000453Choanal atresia
HP:0001305Dandy-Walker malformation
HP:0007483Depigmentation/hyperpigmentation of skin
HP:0008947Floppy infant
HP:0002079Hypoplasia of the corpus callosum
HP:0100259Postaxial polydactyly
HP:0004322Short stature
Occasional (29-5%)
HP:00309281-minute APGAR score of 1
HP:00309255-minute APGAR score of 5
HP:0031508Abnormal thyroid hormone level
HP:0004298Abnormality of the abdominal wall
HP:0000164Abnormality of the dentition
HP:0410026Abnormality of the periodontium
HP:0007360Aplasia/Hypoplasia of the cerebellum
HP:0000483Astigmatism
HP:0001631Atrial septal defect
HP:0000248Brachycephaly
HP:0012444Brain atrophy
HP:0001638Cardiomyopathy
HP:0000518Cataract
HP:0001321Cerebellar hypoplasia
HP:0001320Cerebellar vermis hypoplasia
HP:0000175Cleft palate
HP:0001374Congenital hip dislocation
HP:0002212Curly hair
HP:0004095Curved fingers
HP:0100890Cyst of the ductus choledochus
HP:0000823Delayed puberty
HP:0005280Depressed nasal bridge
HP:0002198Dilated fourth ventricle
HP:0000494Downslanted palpebral fissures
HP:0000324Facial asymmetry
HP:0011968Feeding difficulties
HP:0000454Flared nostrils
HP:0001288Gait disturbance
HP:0000212Gingival overgrowth
HP:0001822Hallux valgus
HP:0000365Hearing impairment
HP:0000218High palate
HP:0001385Hip dysplasia
HP:0000126Hydronephrosis
HP:0005722Hyperextensible thumb
HP:0000540Hypermetropia
HP:0000998Hypertrichosis
HP:0002365Hypoplasia of the brainstem
HP:0002557Hypoplastic nipples
HP:0001382Joint hypermobility
HP:0001376Limitation of joint mobility
HP:0000343Long philtrum
HP:0000369Low-set ears
HP:0000545Myopia
HP:0000341Narrow forehead
HP:0002664Neoplasm
HP:0000938Osteopenia
HP:0001845Overlapping toe
HP:0010499Patellar subluxation
HP:0001643Patent ductus arteriosus
HP:0001761Pes cavus
HP:0001763Pes planus
HP:0000358Posteriorly rotated ears
HP:0011220Prominent forehead
HP:0005272Prominent nasolabial fold
HP:0000448Prominent nose
HP:0200117Recurrent upper and lower respiratory tract infections
HP:0000110Renal dysplasia
HP:0002098Respiratory distress
HP:0000960Sacral dimple
HP:0002650Scoliosis
HP:0001250Seizure
HP:0001773Short foot
HP:0012745Short palpebral fissure
HP:0001238Slender finger
HP:0200055Small hand
HP:0000486Strabismus
HP:0001182Tapered finger
HP:0000506Telecanthus
HP:0012471Thick vermilion border
HP:0000219Thin upper lip vermilion
HP:0002944Thoracolumbar scoliosis
HP:0000692Tooth malposition
HP:0000582Upslanted palpebral fissure
HP:0002119Ventriculomegaly
HP:0012810Wide nasal base
HP:0000431Wide nasal bridge

Run the differential on the 2 obligate / very frequent terms

Annotation source: 28377321[PMID]_30828969[PMID]_24690944[PMID]_26833328[PMID]

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Sources for this card