raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:502437

4q25 proximal deletion syndrome

Synonyms: Proximal del(4)(q25) · Proximal monosomy 4q25

Type
Malformation syndrome
Group
Disorder
Age of onset
Infancy
Status
active

A partial deletion of the long arm of chromosome 4 characterized by complex behavioral difficulties, developmental and delay/ intellectual disability, and minor dysmorphic features, including subtle facial asymmetry (most prominent in the mandible), mild hypotelorism, long nasal bridge, small low-set ears, narrow mouth, and mild hand deformities, such as bilateral short 5th metacarpals, and short hands.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en4q25 proximal deletion syndromeProximal del(4)(q25) · Proximal monosomy 4q25
frSyndrome de délétion 4q25 proximaleDel(4)(q25) proximale · Monosomie 4q25 proximale
deProximale Deletion 4q25-SyndromDel(4)(q25), proximale · Monosomie 4q25, proximale
esSíndrome de deleción proximal 4q25Del(4)(q25) proximal · Monosomía proximal 4q25
itSindrome da delezione prossimale 4q25
nlProximale 4q25-deletiesyndroomProximale del(4)(q25) · Proximale monosomie 4q25
ptSíndrome de deleção proximal 4q25
plZespół delecji proksymalnego regionu 4q25del(4)(q25) proksymalna · Monosomia proksymalna 4q25
csSyndrom proximální delece 4q25Proximal del(4)(q25) · Proximal monosomy 4q25 · Proximální del(4)(q25) · Proximální monozomie 4q25
ukСиндром проксимальної делеції 4q25Proximal del(4)(q25) · Проксимальна моносомія 4q25
zh染色体4q25近端缺失综合征染色体4q2近端缺失
tr4q25 proksimal delesyon sendromuProksimal del (4) (q25) · Proksimal monozomi 4q25

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q93.5NTBTattributedvalidated
MONDO0044717Evalidated
UMLSC5680087Evalidated

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_27587989[PMID]
Cases/families3 casesWorldwideCase(s)Validated27587989[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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card