raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:193

Cohen syndrome

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

A rare developmental defect during embryogenesis characterized by microcephaly, characteristic facial features, hypotonia, non-progressive intellectual deficit, myopia and retinal dystrophy, neutropenia and truncal obesity.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCohen syndrome
frSyndrome de Cohen
deCohen-Syndrom
esSíndrome de Cohen
itSindrome di Cohen
nlSyndroom van Cohen
ptSíndrome Cohen
plZespół Cohena
csCohenův syndrom
ukСиндром Коена
zh科恩综合征
trCohen sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM216550Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD90.YNTBTindexvalidated
MONDO0008999Evalidated
MeSHC536438Evalidated
UMLSC0265223Evalidated
GARD6126Evalidated
MedDRA10049066Evalidated

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 (5):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
VPS13BDisease-causing germline mutation(s) inAssessedHGNC:2183ENSG000001325496078178q22.2vacuolar protein sorting 13 homolog B
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families200 casesWorldwideCase(s)Validated[EXPERT]_20301655[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_20301655[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

64 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000499Abnormal eyelash morphology
HP:0000492Abnormal eyelid morphology
HP:0002167Abnormality of speech or vocalization
HP:0000164Abnormality of the dentition
HP:0010295Aplasia/Hypoplasia of the tongue
HP:0001166Arachnodactyly
HP:0001135Chorioretinal dystrophy
HP:0001875Decreased total neutrophil count
HP:0000494Downslanted palpebral fissures
HP:0000212Gingival overgrowth
HP:0001263Global developmental delay
HP:0002705High, narrow palate
HP:0000327Hypoplasia of the maxilla
HP:0010669Hypoplasia of the zygomatic bone
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0000527Long eyelashes
HP:0000294Low anterior hairline
HP:0000252Microcephaly
HP:0000347Micrognathia
HP:0000545Myopia
HP:0000194Open mouth
HP:0000426Prominent nasal bridge
HP:0001852Sandal gap
HP:0000322Short philtrum
HP:0011308Slender toe
HP:0001182Tapered finger
HP:0000574Thick eyebrow
HP:0009804Tooth agenesis
Frequent (79-30%)
HP:0001000Abnormality of skin pigmentation
HP:0200046Cat cry
HP:0004209Clinodactyly of the 5th finger
HP:0002967Cubitus valgus
HP:0001558Decreased fetal movement
HP:0000823Delayed puberty
HP:0001531Failure to thrive in infancy
HP:0008872Feeding difficulties in infancy
HP:0006101Finger syndactyly
HP:0002857Genu valgum
HP:0001511Intrauterine growth retardation
HP:0001382Joint hypermobility
HP:0001572Macrodontia
HP:0004283Narrow palm
HP:0001513Obesity
HP:0004322Short stature
HP:0100874Thick hair
HP:0001612Weak cry
Occasional (29-5%)
HP:0007703Abnormality of retinal pigmentation
HP:0003272Abnormality of the hip bone
HP:0009906Aplasia/Hypoplasia of the earlobes
HP:0000028Cryptorchidism
HP:0000612Iris coloboma
HP:0002808Kyphosis
HP:0000568Microphthalmia
HP:0001634Mitral valve prolapse
HP:0000639Nystagmus
HP:0000648Optic atrophy
HP:0000767Pectus excavatum
HP:0000384Preauricular skin tag
HP:0002650Scoliosis
HP:0001250Seizure
HP:0000407Sensorineural hearing impairment
HP:0000486Strabismus
HP:0001629Ventricular septal defect

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card