raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:280325

Distal deletion 12p syndrome

Synonyms: 12p13.33 microdeletion syndrome · Del(12)(p13.33) · Distal monosomy 12p

Type
Malformation syndrome
Group
Disorder
Age of onset
Infancy, Neonatal
Status
active

A rare partial autosomal monosomy characterized by language development delay with childhood apraxia of speech, mild intellectual disability, behavourial abnormalities (autistic spectrum disorder, attention deficit hyperactivity disorder, anxiety) and mildly dysmorphic nonspecific features. Additional clinical features may include muscular hypotonia and joint laxity, hernias and microcephaly.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal deletion 12p syndrome12p13.33 microdeletion syndrome · Del(12)(p13.33) · Distal monosomy 12p
frSyndrome de délétion distale 12pDel(12)(p13.33) · Monosomie distale 12p · Syndrome de microdélétion 12p13.33
deDistale Deletion 12pDel(12)(p13.33) · Deletion 12p, distale · Distale Monosomie 12p · Mikrodeletionssyndrom 12p13.33
esSíndrome de deleción terminal 12pDel(12)(p13.33) · Monosomía terminal 12p · Síndrome de microdeleción 12p13.33
itSindrome delezione distale 12pDel(12)(p13.33) · Monosomia distale 12p · Sindrome da microdelezione 12p13.33
nlDistale deletie 12p-syndroom12p13.33-microdeletiesyndroom · Del(12)(p13.33) · Distale monosomie 12p
ptDeleção distal 12pDel(12)(p13.33) · Monossomia distal 12p · Síndrome de microdeleção 12p13.33
plZespół delecji dystalnej 12pDel(12)(p13.33) · Delecja dystalna 12p · Zespół mikrodelecji 12p13.33 · Delecja telomerowa 12p
csDistální monozomie 12pSyndrom mikrodelece 12p13.33 · Del(12)(p13.33) · Distální delece 12p
ukДистальна делеція 12pСиндром мікроделеції 12p13.33 · Del(12)(p13.33) · Дистальна моносомія 12p
zh12号染色体短臂远端单体12p13.33微缺失综合征
trDistal monozomi 12pDel(12)(p13.33) · Distal delesyon 12p · 12p13.33 mikrodelesyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q93.5NTBTattributedvalidated
MONDO0017229Evalidated
UMLSC4749581Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ERC1Role in the phenotype ofAssessedHGNC:17072ENSG0000008280560712712p13.33ELKS/RAB6-interacting/CAST family member 122713806[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)Validated21144913[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

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

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Sources for this card