raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:178303

8q22.1 microdeletion syndrome

Synonyms: Monosomy 8q22.1 · Nablus mask-like facial syndrome

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

The 8q22.1 microdeletion syndrome or Nablus mask-like facial syndrome is a rare microdeletion syndrome associated with a distinct facial appearance.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en8q22.1 microdeletion syndromeMonosomy 8q22.1 · Nablus mask-like facial syndrome
frMicrodélétion 8q22.1Monosomie 8q22.1 · Syndrome "Nablus mask-like facial"
deNablus mask-like facial-SyndromMikrodeletionssyndrom 8q22.1 · Monosomie 8q22.1
esSíndrome de microdeleción 8q22.1Monosomía 8q22.1 · Sindrome facial similar a 'máscara de Nablus'
itSindrome da microdelezione 8q22.1Monosomia 8q22.1 · Sindrome maschera facciale di Nablus-simile
nl8q22.1-microdeletiesyndroomMonosomie 8q22.1 · Nablus masker-achtig faciaal syndroom
ptSíndrome de microdeleção 8q22.1Síndrome máscara facial de Nablus-like
plZespół mikrodelecji 8q22.1Monosomia 8q22.1 · Zespół Nablus z maskowatą twarzą
csMikrodeleční syndrom 8q22.1Monozomie 8q22.1 · Nábuluský syndrom škraboškovitého obličeje
ukСиндром мікроделеції 8q22.1Моносомія 8q22.1 · Синдром обличчя, схожего на маску Наблуса
zh8q22.1微缺失综合征Nablus面具样面部综合征
tr8q22.1 mikrodelesyon sendromuMonozomi 8q22.1 · Nablus maske benzeri fasiyal sendrom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608156Evalidated
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD44.80NTBTindexvalidated
MONDO0011977Evalidated
MeSHC536110Evalidated
UMLSC1842464Evalidated
GARD4722Evalidated

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
Cases/families6 casesWorldwideCase(s)Validated22821852[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

32 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010720Abnormal hair pattern
HP:0000377Abnormal pinna morphology
HP:0009738Abnormality of the antihelix
HP:0000581Blepharophimosis
HP:0100024Conspicuously happy disposition
HP:0000028Cryptorchidism
HP:0000457Depressed nasal ridge
HP:0002553Highly arched eyebrow
HP:0100679Lack of skin elasticity
HP:0000343Long philtrum
HP:0000369Low-set ears
HP:0000298Mask-like facies
HP:0010781Skin dimple
HP:0045075Sparse eyebrow
HP:0000506Telecanthus
HP:0008577Underfolded helix
HP:0000431Wide nasal bridge
Frequent (79-30%)
HP:0000164Abnormality of the dentition
HP:0100490Camptodactyly of finger
HP:0001263Global developmental delay
HP:0000135Hypogonadism
HP:0000327Hypoplasia of the maxilla
HP:0001376Limitation of joint mobility
HP:0000252Microcephaly
HP:0001852Sandal gap
HP:0000470Short neck
HP:0006610Wide intermamillary distance
Occasional (29-5%)
HP:0005288Abnormality of the nares
HP:0001363Craniosynostosis
HP:0006101Finger syndactyly
HP:0000653Sparse eyelashes
HP:0000176Submucous cleft hard palate

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card