raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:251061

7q31 microdeletion syndrome

Synonyms: Del(7)(q31) · Monosomy 7q31

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable, Unknown
Age of onset
Infancy, Neonatal
Status
active

7q31 microdeletion syndrome is a rare chromosomal anomaly characterized by speech and language disorder, predominantly presenting as an apraxia of speech, sometimes associated with oral motor dyspraxia, dysarthria, receptive and expressive language disorder, and hearing loss. Individuals with larger deletions in this region have also been reported to display intellectual disability and autism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en7q31 microdeletion syndromeDel(7)(q31) · Monosomy 7q31
frSyndrome de microdélétion 7q31Del(7)(q31) · Monosomie 7q31
deMikrodeletionssyndrom 7q31Del(7)(q31) · Monosomie 7q31
esSíndrome de microdeleción 7q31Del(7)(q31) · Monosomía 7q31
itSindrome da microdelezione 7q31Del(7)(q31) · Monosomia 7q31
nl7q31-microdeletiesyndroomDel(7)(q31) · Monosomie 7q31
ptSíndrome de microdeleção 7q31Monossomia 7q31
plZespół mikrodelecji 7q31Del(7)(q31) · Monosomia 7q31
csSyndrom mikrodelece 7q31Del(7)(q31) · Monozomie 7q31
ukСиндром мікроделеції 7q31Del(7)(q31) · Моносомія 7q31
zh染色体7q31微缺失综合征7q31单体
tr7q31 mikrodelesyon sendromuDel (7) (q31) · Monozomi 7q31

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD44.70NTBTindexvalidated
MONDO0016656Evalidated
UMLSC4750783Evalidated

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
FOXP2Role in the phenotype ofAssessedHGNC:13875ENSG000001285736053177q31.1forkhead box P217330859[PMID]_22144704[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families20 casesWorldwideCase(s)Validated27075776[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_27075776[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

50 annotations · validated 2023-01-17
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000750Delayed speech and language development
HP:0410018Recurrent ear infections
HP:0011098Speech apraxia
Occasional (29-5%)
HP:0025160Abnormal temper tantrums
HP:0002167Abnormality of speech or vocalization
HP:0012146Abnormality of von Willebrand factor
HP:0002099Asthma
HP:0001631Atrial septal defect
HP:0000729Autistic behavior
HP:0008936Axial hypotonia
HP:0011474Childhood onset sensorineural hearing impairment
HP:0040022Clinodactyly of the 2nd finger
HP:0002750Delayed skeletal maturation
HP:0001260Dysarthria
HP:0002015Dysphagia
HP:0011388Enlarged cochlear aqueduct
HP:0010677Enuresis nocturna
HP:0000286Epicanthus
HP:0020045Esodeviation
HP:0012023Galactosuria
HP:0002020Gastroesophageal reflux
HP:0000752Hyperactivity
HP:0001611Hypernasal speech
HP:0000316Hypertelorism
HP:0008586Hypoplasia of the cochlea
HP:0000327Hypoplasia of the maxilla
HP:0040326Hypoplasia of the olfactory bulb
HP:0011382Hypoplasia of the semicircular canal
HP:0001249Intellectual disability
HP:0001511Intrauterine growth retardation
HP:0000343Long philtrum
HP:0000369Low-set ears
HP:0000256Macrocephaly
HP:0011470Nasogastric tube feeding in infancy
HP:0012758Neurodevelopmental delay
HP:0011648Patent ductus arteriosus after birth at term
HP:0001357Plagiocephaly
HP:0008897Postnatal growth retardation
HP:0001212Prominent fingertip pads
HP:0000448Prominent nose
HP:0002205Recurrent respiratory infections
HP:0002650Scoliosis
HP:0011344Severe global developmental delay
HP:0000736Short attention span
HP:0012745Short palpebral fissure
HP:0003202Skeletal muscle atrophy
HP:0000506Telecanthus
HP:0000473Torticollis
HP:0000154Wide mouth
HP:0012811Wide nasal ridge

Annotation source: 22106036[PMID]_34490154[PMID]_35702019[PMID]_32885567[PMID]_30294678[PMID]_27075776[PMID]

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Sources for this card