raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:251046

6p22 microdeletion syndrome

Synonyms: Del(6)(p22) · Monosomy 6p22

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

6p22 microdeletion syndrome is a newly described syndrome associated with a variable clinical phenotype including developmental delay, facial dysmorphism, short neck and diverse malformations.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en6p22 microdeletion syndromeDel(6)(p22) · Monosomy 6p22
frSyndrome de microdélétion 6p22Del(6)(p22) · Monosomie 6p22
deMikrodeletionssyndrom 6p22Del(6)(p22) · Monosomie 6p22
esSíndrome de microdeleción 6p22Del(6)(p22) · Monosomía 6p22
itSindrome da microdelezione 6p22Del(6)(p22) · Monosomia 6p22
nl6p22-microdeletiesyndroomDel(6)(p22) · Monosomie 6p22
ptSíndrome de microdeleção 6p22Monossomia 6p22
plZespół mikrodelecji 6p22Del(6)(p22) · Monosomia 6p22
csSyndrom mikrodelece 6p22Del(6)(p22) · Monozomie 6p22
ukСиндром мікроделеції 6p22Del(6)(p22) · Моносомія 6p22
zh染色体6p22微缺失综合征6p22单体
tr6p22 mikrodelesyon sendromuDel (6) (s22) · Monozomi 6p22

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD44.61NTBTindexvalidated
MONDO0016655Evalidated
UMLSC4304528Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families19 casesWorldwideCase(s)Validated23294540[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.

6

HPO phenotypes

21 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000929Abnormal skull morphology
HP:0001252Hypotonia
HP:0001256Intellectual disability, mild
Frequent (79-30%)
HP:0012639Abnormal nervous system morphology
HP:0030084Clinodactyly
HP:0000490Deeply set eye
HP:0000286Epicanthus
HP:0006101Finger syndactyly
HP:0100790Hernia
HP:0000238Hydrocephalus
HP:0000126Hydronephrosis
HP:0000369Low-set ears
HP:0000396Overfolded helix
HP:0001643Patent ductus arteriosus
HP:0000470Short neck
HP:0000486Strabismus
Occasional (29-5%)
HP:0000174Abnormal palate morphology
HP:0000078Abnormality of the genital system
HP:0000365Hearing impairment
HP:0000601Hypotelorism
HP:0001582Redundant skin

Run the differential on the 3 obligate / very frequent terms

7

Sources for this card