raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:352665

Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to 9q21.3 microdeletion

Synonyms: 9q21.3 microdeletion syndrome · Del(9)(q21.3)

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Not applicable, Unknown
Age of onset
Infancy, Neonatal
Status
active

This disease is described under Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNeurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to 9q21.3 microdeletion9q21.3 microdeletion syndrome · Del(9)(q21.3)
frSyndrome de dysmorphie craniofaciale-anomalies squelettiques-cardiopathie-trouble neurologique du développement dû à une microdélétion 9q21.3Del(9)(q21.3) · Syndrome de microdélétion 9q21.3
deNeurologische Entwicklungsstörungen-kraniofaziale Dysmorphien-Herzfehler-Skelettanomalien-Syndrom durch Mikrodeletion 9q21.3Del(9)(q21.3) · Mikrodeletionssyndrom 9q21.3
esSíndrome de trastorno del neurodesarrollo-dismorfia craneofacial-defecto cardíaco-anomalías esqueléticas, por microdeleción 9q21.3Del(9)(q21.3) · Síndrome de microdeleción 9q21.3
itSindrome disturbo del neurosviluppo-dismorfismi craniofacciali-cardiopatia-displasia dell'anca da microdelezione 9q21Del(9)(q21) · Sindrome da microdelezione 9q21
nlNeurologische ontwikkelingsstoornis - craniofaciale dysmorfie - hartdefect - skeletanomalieën-syndroom door 9q21.3-microdeletie9q21.3-microdeletiesyndroom · Del(9)(q21.3)
ptSíndrome de perturbação do neurodesenvolvimento-dismorfia craniofacial-anomalia cardíaca-anomalias esqueléticas devido a microdeleção 9q21.3Del(9)(q21.3) · Síndrome de microdeleção 9q21.3
plZespół zaburzeń nerurorozwojowych-dysmorfii twarzoczaszki-wady serca-anomalii szkieletowych wywołany mikrodelecją 9q21.3Del(9)(q21)
csMikrodeleční syndrom 9q21 zahrnující neurovývojové poruchy, kraniofaciální dysmorfismus, srdeční vadu a dysplázii kyčelního kloubuDel(9)(q21) · Mikrodeleční syndrom 9q21
ukПорушення нейророзвитку - черепно-лицьовий дизморфізм - серцева вада - скелетні аномалії, зумовлені мікроделецією 9q21.3Синдром мікроделеції 9q21.3 · Del(9)(q21.3)
zh9q21.3微缺失所致神经发育不全-颅面部畸形-心脏缺损-骨骼异常综合征9q21.3微缺失综合征
tr9q21.3 mikrodelesyonuna bağlı nörogelişimsel bozukluk-kraniyofasiyal dismorfizm-kardiyak defekti-iskelet anomalileri sendromuDel(9)(q21.3) · 9q21.3 mikrodelesyon sendromu
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616580NTBTvalidated
ICD-10Q93.5NTBTattributedvalidated
UMLSC5679925Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HNRNPKRole in the phenotype ofAssessedHGNC:5044ENSG000001651196007129q21.32heterogeneous nuclear ribonucleoprotein K26173930[PMID]_24501764[PMID]_25348648[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated24501764[PMID]_25348648[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24501764[PMID]_25348648[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 2020-11-13
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001252Hypotonia
HP:0000637Long palpebral fissure
Frequent (79-30%)
HP:0001627Abnormal heart morphology
HP:0000455Broad nasal tip
HP:0003763Bruxism
HP:0001363Craniosynostosis
HP:0000028Cryptorchidism
HP:0031936Delayed ability to walk
HP:0000689Dental malocclusion
HP:0002714Downturned corners of mouth
HP:0002711Exaggerated median tongue furrow
HP:0002282Gray matter heterotopia
HP:0001510Growth delay
HP:0001385Hip dysplasia
HP:0000126Hydronephrosis
HP:0002540Inability to walk
HP:0010880Increased nuchal translucency
HP:0002342Intellectual disability, moderate
HP:0010864Intellectual disability, severe
HP:0000276Long face
HP:0000158Macroglossia
HP:0000252Microcephaly
HP:0000194Open mouth
HP:0002465Poor speech
HP:0002650Scoliosis
HP:0001629Ventricular septal defect
HP:0000076Vesicoureteral reflux
HP:0000431Wide nasal bridge
Occasional (29-5%)
HP:0000587Abnormal optic nerve morphology
HP:0006481Abnormality of primary teeth
HP:0001274Agenesis of corpus callosum
HP:0004942Aortic aneurysm
HP:0001284Areflexia
HP:0001631Atrial septal defect
HP:0001647Bicuspid aortic valve
HP:0010297Bifid tongue
HP:0000193Bifid uvula
HP:0009794Branchial anomaly
HP:0000175Cleft palate
HP:0000280Coarse facial features
HP:0000589Coloboma
HP:0000405Conductive hearing impairment
HP:0002019Constipation
HP:0000476Cystic hygroma
HP:0003388Easy fatigability
HP:0002572Episodic vomiting
HP:0007655Eversion of lateral third of lower eyelids
HP:0002263Exaggerated cupid's bow
HP:0008872Feeding difficulties in infancy
HP:0002579Gastrointestinal dysmotility
HP:0002578Gastroparesis
HP:0002046Heat intolerance
HP:0002705High, narrow palate
HP:0000975Hyperhidrosis
HP:0000540Hypermetropia
HP:0002079Hypoplasia of the corpus callosum
HP:0000821Hypothyroidism
HP:0007328Impaired pain sensation
HP:0004389Intestinal pseudo-obstruction
HP:0003186Inverted nipples
HP:0001382Joint hypermobility
HP:0004443Lambdoidal craniosynostosis
HP:0011330Metopic synostosis
HP:0001324Muscle weakness
HP:0000545Myopia
HP:0011470Nasogastric tube feeding in infancy
HP:0002877Nocturnal hypoventilation
HP:0010807Open bite
HP:0000609Optic nerve hypoplasia
HP:0000938Osteopenia
HP:0001548Overgrowth
HP:0001763Pes planus
HP:0100259Postaxial polydactyly
HP:0004467Preauricular pit
HP:0005487Prominent metopic ridge
HP:0000411Protruding ear
HP:0000508Ptosis
HP:0001954Recurrent fever
HP:0001315Reduced tendon reflexes
HP:0004442Sagittal craniosynostosis
HP:0001250Seizure
HP:0000407Sensorineural hearing impairment
HP:0000586Shallow orbits
HP:0002558Supernumerary nipple
HP:0001762Talipes equinovarus
HP:0009804Tooth agenesis
HP:0011807Type 1 muscle fiber atrophy
HP:0011147Typical absence seizure
HP:0000430Underdeveloped nasal alae
HP:0003422Vertebral segmentation defect

Run the differential on the 2 obligate / very frequent terms

Annotation source: 29904177[PMID]_30998304[PMID]

7

Sources for this card