raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2052

Fraser syndrome

Synonyms: Cryptophthalmos-syndactyly syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal, Neonatal
Status
active

A rare congenital malformation mainly characterized by unilateral or bilateral cryptophthalmos, syndactyly and urogenital anomalies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFraser syndromeCryptophthalmos-syndactyly syndrome
frSyndrome de FraserSyndrome cryptophtalmie-syndactylie · Syndrome de cryptophtalmie-syndactylie
deFraser-SyndromKryptophthalmie-Syndaktylie-Syndrom
esSíndrome de FraserSíndrome criptoftalmia-sindactilia
itSindrome di FraserSindrome criptoftalmia-sindattilia
nlSyndroom van FraserCryptoftalmie - syndactylie-syndroom
ptSíndrome FraserSíndrome de criptoftalmia-sindactilia
plZespół FraseraZespół skrytoocze-syndaktylia
csFraserův syndromSyndrom kryptoftalmu se syndaktylií
ukСиндром ФрейзераСиндром криптофтальмо-синдактилії
zhFraser综合征隐眼并指综合征
trFraser sendromuKriptoftalmos-sindaktili sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM219000BTNTvalidated
OMIM617666BTNTvalidated
OMIM617667BTNTvalidated
ICD-10Q87.0NTBTattributedvalidated
ICD-11LD2H.0Especificvalidated
MONDO0009046Evalidated
MeSHD058497Evalidated
UMLSC0265233Evalidated
GARD6465Evalidated
MedDRA10080219Evalidated

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 (8):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FRAS1Disease-causing germline mutation(s) inAssessedHGNC:19185ENSG000001387596078304q21.21Fraser extracellular matrix complex subunit 123473829[PMID]
FREM2Disease-causing germline mutation(s) inAssessedHGNC:25396ENSG0000015089360894513q13.3FRAS1 related extracellular matrix 218671281[PMID]
GRIP1Disease-causing germline mutation(s) inAssessedHGNC:18708ENSG0000015597460459712q14.3glutamate receptor interacting protein 122510445[PMID]
5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.2 / 100 000EuropeValue and classValidated23532946[PMID]_EUROCAT European surveillance of congenital anomalies[OTHER]
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET
Prevalence at birth1-9 / 1 000 0000.43 / 100 000SpainValue and classValidated9662850[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

66 annotations · validated 2023-11-10
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000079Abnormality of the urinary system
HP:0000618Blindness
HP:0001126CryptophthalmosDiagnostic criterion
HP:0012725Cutaneous syndactylyDiagnostic criterion
HP:0006101Finger syndactylyDiagnostic criterion
HP:0007925Lacrimal duct aplasia
HP:0007993Malformed lacrimal ducts
HP:0008678Renal hypoplasia/aplasiaDiagnostic criterion
Frequent (79-30%)
HP:0005105Abnormal nasal morphologyDiagnostic criterion
HP:0000377Abnormal pinna morphology
HP:0000370Abnormality of the middle ear
HP:0000356Abnormality of the outer earDiagnostic criterion
HP:0000142Abnormality of the vagina
HP:0000062Ambiguous genitaliaDiagnostic criterion
HP:0002023Anal atresia
HP:0002025Anal stenosisDiagnostic criterion
HP:0000528Anophthalmia
HP:0012732Anorectal anomalyDiagnostic criterion
HP:0010297Bifid tongue
HP:0000678Dental crowding
HP:0000689Dental malocclusion
HP:0005280Depressed nasal bridge
HP:0010458Female pseudohermaphroditism
HP:0000316Hypertelorism
HP:0008736Hypoplasia of penis
HP:0008749Laryngeal hypoplasiaDiagnostic criterion
HP:0001602Laryngeal stenosis
HP:0000568Microphthalmia
HP:0000358Posteriorly rotated earsDiagnostic criterion
HP:0000046Small scrotum
HP:0001770Toe syndactylyDiagnostic criterion
HP:0000148Vaginal atresia
Occasional (29-5%)
HP:0030680Abnormal cardiovascular system morphology
HP:0010720Abnormal hair pattern
HP:0002101Abnormal lung lobationDiagnostic criterion
HP:0000413Atresia of the external auditory canal
HP:0000813Bicornuate uterus
HP:0003191Cleft ala nasi
HP:0000204Cleft upper lip
HP:0000405Conductive hearing impairment
HP:0000028Cryptorchidism
HP:0001522Death in infancy
HP:0004397Ectopic anus
HP:0002084Encephalocele
HP:0000218High palate
HP:0000047Hypospadias
HP:0001249Intellectual disability
HP:0000252Microcephaly
HP:0008551MicrotiaDiagnostic criterion
HP:0004112Midline nasal groove
HP:0002475Myelomeningocele
HP:0001539Omphalocele
HP:0000202Orofacial cleft
HP:0002089Pulmonary hypoplasia
HP:0001362Skull defect
HP:0001607Subglottic stenosis
HP:0002777Tracheal stenosisDiagnostic criterion
HP:0001537Umbilical herniaDiagnostic criterion
HP:0000430Underdeveloped nasal alae
HP:0000068Urethral atresia
HP:0003422Vertebral segmentation defect
HP:0006610Wide intermamillary distance
HP:0000431Wide nasal bridgeDiagnostic criterion
Very rare (<4-1%)
HP:0000772Abnormal rib morphology
HP:0009826Limb undergrowth
HP:0003183Wide pubic symphysis

Run the differential on the 8 obligate / very frequent terms

Annotation source: 18000968[PMID]

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Sources for this card