raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2616

3M syndrome

Synonyms: 3-M syndrome · Yakut short stature syndrome

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

A rare primordial growth disorder characterized by low birth weight, reduced birth length, severe postnatal growth restriction, large head size, a spectrum of minor anomalies (including facial dysmorphism) and normal intelligence.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en3M syndrome3-M syndrome · Yakut short stature syndrome
frSyndrome 3MNanisme 3M · Petite taille type iakoute · Petite taille type yakoute · Syndrome 3-M
de3M-SyndromKleinwuchssysndrom Yakut
esSíndrome 3MSíndrome 3-M · Síndrome de talla baja de Yakut
itSindrome 3MDisplasia dolicospondilica · Sindrome 3-M · Sindrome da bassa statura di Yakut · Sindrome della faccia cupa · Sindrome di Le Merrer
nl3M-syndroom3-M-syndroom · Kleine gestalte-syndroom, Yakut-type
ptSíndrome 3MDisplasia dolicospondilítica · Síndrome Le Merrer · Síndrome face tristonha
plZespół 3MDysplazja dolichosponydyliczna · Zespół 3-M · Zespół Le Merrer · Zespół niskiego wzrostu Yakutów · Zespół ponurej/posępnej/ twarzy
cs3M syndrom3-M syndrom · Dolichospondylická dysplázie · Le Merrerové syndrom · Jakutský syndrom nízkého vzrůstu · Syndrom zasmušilé tváře
ukСиндром 3МСиндром 3-М · Якутський синдром низького зросту
zh3M综合征雅库特身材矮小症
tr3M sendromu3-M sendromu · Le Merrer sendromu · Kasvetli yüz sendromu · Dolikospondilik displazi · Yakut kısa boy sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM273750Evalidated
OMIM612921BTNTvalidated
OMIM614205BTNTvalidated
ICD-10Q87.1NTBTattributedvalidated
ICD-11LD24.DNTBTindexvalidated
MONDO0007477Evalidated
MeSHC535314Evalidated
UMLSC1848862Evalidated
GARD5667Evalidated
MedDRA10081775Evalidated

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

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CCDC8Disease-causing germline mutation(s) inAssessedHGNC:25367ENSG0000016951561414519q13.32coiled-coil domain containing 8 subunit of 3M complex20301654[PMID]_21737058[PMID]
CUL7Disease-causing germline mutation(s) inAssessedHGNC:21024ENSG000000440906095776p21.1cullin 720301654[PMID]
OBSL1Disease-causing germline mutation(s) inAssessedHGNC:29092ENSG000001240066109912q35obscurin like cytoskeletal adaptor 120301654[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families200 casesWorldwideCase(s)ValidatedORPHANET_22624670[PMID]
Point prevalenceUnknown—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

42 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000944Abnormal metaphysis morphology
HP:0000463Anteverted nares
HP:0000337Broad forehead
HP:0000414Bulbous nose
HP:0002750Delayed skeletal maturation
HP:0000232Everted lower lip vermilion
HP:0002007Frontal bossing
HP:0003175Hypoplastic ischia
HP:0008839Hypoplastic pelvis
HP:0003173Hypoplastic pubic bone
HP:0004570Increased vertebral height
HP:0001511Intrauterine growth retardation
HP:0011800Midface retrusion
HP:0001838Rocker bottom foot
HP:0003691Scapular winging
HP:0000470Short neck
HP:0004322Short stature
HP:0003100Slender long bone
HP:0000574Thick eyebrow
HP:0000325Triangular face
Frequent (79-30%)
HP:0000682Abnormality of dental enamel
HP:0009811Abnormality of the elbow
HP:0000684Delayed eruption of teeth
HP:0000268Dolichocephaly
HP:0100625Enlarged thorax
HP:0000888Horizontal ribs
HP:0003307Hyperlordosis
HP:0003022Hypoplasia of the ulna
HP:0001382Joint hypermobility
HP:0000343Long philtrum
HP:0002983Micromelia
HP:0000307Pointed chin
HP:0000411Protruding ear
HP:0010306Short thorax
HP:0000883Thin ribs
Occasional (29-5%)
HP:0100659Abnormality of the cerebral vasculature
HP:0004209Clinodactyly of the 5th finger
HP:0001374Congenital hip dislocation
HP:0000144Decreased fertility
HP:0000047Hypospadias
HP:0002808Kyphosis
HP:0002650Scoliosis

Run the differential on the 12 obligate / very frequent terms

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Sources for this card