raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2308

Jacobsen syndrome

Synonyms: 11q terminal deletion syndrome · Chromosome 11q deletion syndrome · Del(11)(q23.3) · Del(11)(qter) · Distal deletion 11q · Distal monosomy 11q · Monosomy 11qter · Telomeric deletion 11q

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

A rare genetic disorder caused by deletions in the long arm of chromosome 11 (<i>11q</i>) and mainly characterized by craniofacial dysmorphism, congenital heart disease, intellectual disability, Paris Trousseau bleeding disorder, structural kidney defects and immunodeficiency.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enJacobsen syndrome11q terminal deletion syndrome · Chromosome 11q deletion syndrome · Del(11)(q23.3) · Del(11)(qter) · Distal deletion 11q · Distal monosomy 11q · Monosomy 11qter · Telomeric deletion 11q
frSyndrome de JacobsenDel(11)(q23.3) · Del(11)(qter) · Délétion distale 11q · Délétion télomérique 11q · Monosomie 11qter · Monosomie distale 11q · Syndrome de délétion 11q terminale · Syndrome de délétion du chromosome 11q
deJacobsen-SyndromTerminale Deletion 11q · 11q-Deletionssyndrom · 11q-Syndrom · Del(11)(q23.3) · Del(11)(qter) · Distale Deletion 11q · Distale Monosomie 11q · Monosomie 11qter · Telomere Deletion 11q
esSíndrome de JacobsenDel(11)(q23.3) · Del(11)(qter) · Deleción telomérica 11q · Deleción terminal 11q · Monosomía 11qter · Monosomía terminal 11q · Síndrome de deleción del cromosoma 11q · Síndrome de deleción terminal 11q
itSindrome di JacobsenDel(11)(q23.3) · Del(11)(qter) · Delezione 11q distale · Delezione 11q telomerica · Monosomia 11q distale · Monosomia 11qter · Sindrome da delezione terminale 11q · Sindrome da delezione cromosomica 11q · Delezione telomerica 11q · Sindrome da delezione del cromosoma 11q
nlSyndroom van Jacobsen11q-terminale deletiesyndroom · Chromosoom 11q-deletiesyndroom · Del(11)(q23.3) · Del(11)(qter) · Distale deletie 11q · Distale monosomie 11q · Monosomie 11qter · Telomerische deletie 11q
ptSíndrome JacobsenDel(11)(q23.3) · Del(11)(qter) · Deleção distal 11q · Deleção telomérica 11q · Monossomia 11qter · Monossomia distal 11q · Síndrome de deleção cromossoma 11q
plZespół JacobsenaDel(11)(q23.3) · Del(11)(qter) · Dystalna delecja 11q · Dystalna monosomia 11q · Monosomia 11qter · Telomerowa delecja 11q
csJacobsenův syndromDel(11)(q23.3) · Del(11)(qter) · Distální mikrodelece 11q · Distální monozomie 11q · Monozomie 11qter · Telomerická delece 11q
ukСиндром ЯкобсенаСиндром делеції терміналу 11q · Синдром делеції хромосоми 11q · Del(11)(q23.3) · Del(11)(qter) · Дистальна делеція 11q · Дистальна моносомія 11q · Моносомія 11qter · Делеція теломерної ділянки 11q
zhJacobsen综合征11号染色体长臂远端端粒缺失
trJacobsen sendromuDel(11)(qter) · Del(11)(q23.3) · Monozomi 11qter · Distal delesyon 11q · Distal monozomi 11q · Telomerik delesyon 11q

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM147791Evalidated
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD44.B0NTBTindexvalidated
MONDO0007838Evalidated
MeSHD054868Evalidated
UMLSC0795841Evalidated
GARD307Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FLI1Role in the phenotype ofAssessedHGNC:3749ENSG0000015170219306711q24.3Fli-1 proto-oncogene, ETS transcription factor26285164[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0001.5 / 100 000United StatesValue and classValidated[EXPERT]_19267933[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]

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

76 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005528Bone marrow hypocellularity
HP:0008872Feeding difficulties in infancy
HP:0001263Global developmental delay
HP:0001510Growth delay
HP:0001249Intellectual disability
HP:0001873Thrombocytopenia
Frequent (79-30%)
HP:0003312Abnormal form of the vertebral bodies
HP:0000463Anteverted nares
HP:0009906Aplasia/Hypoplasia of the earlobes
HP:0100840Aplasia/Hypoplasia of the eyebrow
HP:0007018Attention deficit hyperactivity disorder
HP:0010761Broad columella
HP:0010059Broad hallux phalanx
HP:0002019Constipation
HP:0000028Cryptorchidism
HP:0000494Downslanted palpebral fissures
HP:0000286Epicanthus
HP:0000324Facial asymmetry
HP:0006101Finger syndactyly
HP:0002007Frontal bossing
HP:0000348High forehead
HP:0000316Hypertelorism
HP:0001847Long hallux
HP:0000343Long philtrum
HP:0000256Macrocephaly
HP:0000482Microcornea
HP:0000921Missing ribs
HP:0001763Pes planus
HP:0000358Posteriorly rotated ears
HP:0001622Premature birth
HP:0000508Ptosis
HP:0002205Recurrent respiratory infections
HP:0000470Short neck
HP:0003196Short nose
HP:0004322Short stature
HP:0001831Short toe
HP:0000319Smooth philtrum
HP:0000486Strabismus
HP:0001863Toe clinodactyly
HP:0001770Toe syndactyly
HP:0001629Ventricular septal defect
HP:0002119Ventriculomegaly
Occasional (29-5%)
HP:0000174Abnormal palate morphology
HP:0004378Abnormality of the anus
HP:0001274Agenesis of corpus callosum
HP:0001734Annular pancreas
HP:0001650Aortic valve stenosis
HP:0007302Bipolar affective disorder
HP:0000518Cataract
HP:0002059Cerebral atrophy
HP:0001680Coarctation of aorta
HP:0001522Death in infancy
HP:0002247Duodenal atresia
HP:0004397Ectopic anus
HP:0000656Ectropion
HP:0000964Eczematoid dermatitis
HP:0000625Eyelid coloboma
HP:0001161Hand polydactyly
HP:0002827Hip dislocation
HP:0000126Hydronephrosis
HP:0004383Hypoplastic left heart
HP:0000023Inguinal hernia
HP:0002566Intestinal malrotation
HP:0001511Intrauterine growth retardation
HP:0000612Iris coloboma
HP:0000003Multicystic kidney dysplasia
HP:0001302Pachygyria
HP:0002021Pyloric stenosis
HP:0100753Schizophrenia
HP:0002650Scoliosis
HP:0001250Seizure
HP:0002414Spina bifida
HP:0001883Talipes
HP:0000243Trigonocephaly
HP:0000465Webbed neck
HP:0000431Wide nasal bridge

Run the differential on the 6 obligate / very frequent terms

7

Sources for this card