raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2563

MOMO syndrome

Synonyms: Macrocephaly-obesity-intellectual disability-ocular abnormalities syndrome · Macrosomia-obesity-macrocephaly-ocular abnormalities syndrome

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

MOMO syndrome is a very rare genetic overgrowth/obesity syndrome characterized by macrocephaly, obesity, mental (intellectual) disability and ocular abnormalities. Other frequent clinical signs include macrosomia, downslanting palpebral fissures, hypertelorism, broad nasal root, high and broad forehead and delay in bone maturation, in association with normal thyroid function and karyotype.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMOMO syndromeMacrocephaly-obesity-intellectual disability-ocular abnormalities syndrome · Macrosomia-obesity-macrocephaly-ocular abnormalities syndrome
frSyndrome MOMOSyndrome de macrocéphalie-obésité-déficience intellectuelle-anomalies oculaires · Syndrome de macrosomie-obésité-macrocéphalie-anomalies oculaires
deMOMO-SyndromMakrosomie-Adipositas-Intelligenzminderung-Augenanomalie-Syndrom · Makrosomie-Adipositas-Makrozephalie-Augenanomalie-Syndrom
esSíndrome MOMOSíndrome de macrocefalia-obesidad-discapacidad intelectual-anomalías oculares · Síndrome de macrosomia-obesidad-macrocefalia-anomalías oculares
itSindrome MOMOSindrome macrocefalia-obesità-disabilità mentale-anomalie oculari · Sindrome macrosomia-obesità-macrocefalia-anomalie oculari · Sindrome macrocefalia-obesità-disabilità intellettiva-anomalie oculari
nlMOMO-syndroomMacrocefalie - obesitas - intellectuele achterstand - oogafwijkingen-syndroom · Macrosomie - obesitas - macrocefalie - oculaire afwijkingen-syndroom
ptSíndrome MOMOSíndrome oculo-dento-digital · Displasia ósseo-oculo-dentária · Síndrome Meyer-Schwickerath-Weyers · Síndrome ODDD · Síndrome ODOD · Síndrome de macrocefalia-obesidade-perturbação do desenvolvimento intelectual-anomalias oculares · Síndrome de macrossomia-obesidade-macrocefalia-anomalias oculares
plZespół MOMOZespół makrocefalii, otyłości, niepełnosprawności intelektualnej i nieprawidłowości oczu · Zespół makrosomii, otyłości, makrocefalii i nieprawidłowości oczu
csMOMO syndromSyndrom zahrnující makrocefalii, obezitu, mentální retardaci a okulární abnormality · Syndrom zahrnující makrosomii, obezitu, makrocefalii a okulární abnormality
ukСиндром МОМОСиндром макроцефалії-ожиріння-розумової відсталості- очних аномалій · Синдром макросомії-ожиріння-макроцефалії-очних аномалій
zhMOMO综合征巨头畸形-肥胖-智力缺陷-眼畸形综合征
trMOMO sendromuMakrozomi-obezite-makrosefali-oküler anormallikler sendromu · Makrosefali-obezite-zihinsel yetersizlik-oküler anormallikler sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM157980Evalidated
ICD-10Q87.3NTBTattributedvalidated
ICD-11LD2CNTBTindexvalidated
MONDO0008008Evalidated
MeSHC535812Evalidated
UMLSC1834759Evalidated
GARD178Evalidated

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/families8 casesWorldwideCase(s)Validated23034868[PMID]_22821547[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

44 annotations · validated 2017-12-18
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0001513Obesity
Frequent (79-30%)
HP:0011849Abnormal bone ossification
HP:0007633Bilateral microphthalmos
HP:0000248Brachycephaly
HP:0000337Broad forehead
HP:0000567Chorioretinal coloboma
HP:0000965Cutis marmorata
HP:0000684Delayed eruption of teeth
HP:0000689Dental malocclusion
HP:0000494Downslanted palpebral fissures
HP:0000286Epicanthus
HP:0000625Eyelid coloboma
HP:0002980Femoral bowing
HP:0002007Frontal bossing
HP:0000501Glaucoma
HP:0000348High forehead
HP:0000218High palate
HP:0001795Hyperconvex nail
HP:0000316Hypertelorism
HP:0001249Intellectual disability
HP:0001520Large for gestational age
HP:0001176Large hands
HP:0001833Long foot
HP:0000343Long philtrum
HP:0000256Macrocephaly
HP:0000639Nystagmus
HP:0001548Overgrowth
HP:0001250Seizure
HP:0000470Short neck
HP:0004322Short stature
HP:0000879Short sternum
HP:0000319Smooth philtrum
HP:0025112Sound sensitivity
HP:0000486Strabismus
HP:0000679Taurodontia
HP:0000179Thick lower lip vermilion
HP:0000215Thick upper lip vermilion
HP:0008577Underfolded helix
HP:0012810Wide nasal base
Occasional (29-5%)
HP:0000717Autism
HP:0000618Blindness
HP:0006585Congenital pseudoarthrosis of the clavicle
HP:0000098Tall stature
Excluded (0%)
HP:0000820Abnormality of the thyroid gland

Run the differential on the 1 obligate / very frequent terms

Annotation source: 8322820[PMID]_22821547[PMID]_11045586[PMID]_23034868[PMID]_19048502[PMID]_19996736[PMID]

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Sources for this card