raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:647667

Mandibuloacral dysplasia associated to MTX2

Synonyms: MADaM · MDPS · Mandibuloacral dysplasia progeroid syndrome

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

A rare primary bone dysplasia characterized by postnatal growth retardation, generalized lipodystrophy, skeletal (delayed closure of sutures, clavicular hypoplasia, dysplastic femoral head, acroosteolysis of distal phalanges, osteopenia/osteoporosis) and cardiac manifestations (including left ventricular hypertrophy, mitral valve calcifications/prolapse/insufficiency and mitral regurgitation), skin changes (atrophic skin, poikiloderma and hyperkeratosis), progeroid traits, and dysmorphic facial features (including prominent eyes, long pinched nose, full cheeks, microstomia and mandibular hypoplasia). Most of the patients also present with sparse body hair, nail dystrophy, joint contracture, hypotonia, hepatosplenomegaly and hypertension. Additional clinical features may include renal glomerulosclerosis and severe proteinuria, recurrent pulmonary infections and seizures.

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Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enMandibuloacral dysplasia associated to MTX2MADaM · MDPS · Mandibuloacral dysplasia progeroid syndrome
frDysplasie mandibulo-acrale associée à MTX2Dysplasie mandibulo-acrale-syndrome progéroïde · MADaM · MDPS
deDysplasie, mandibulo-akrale, MTX2-assoziierteMADaM · MDPS · Mandibuloakrale Dysplasie-Progeroid-Syndrom
esDisplasia acromandibular asociada a MTX2MADaM · MDPS · Síndrome progeroide displasia acromandibular
itDisplasia mandiboloacrale associata a MTX2Displasia mandiboloacrale-sindrome progeroide · MADaM · MDPS
nlMandibuloacrale dysplasie geassocieerd met MTX2MADaM · MDPS · Mandibuloacrale dysplasie - progeroïd-syndroom
ptDisplasia mandibuloacral associada a MTX2MADaM · MDPS · Síndrome de displasia mandibuloacral progeróide
plDysplazja żuchwowo-obojczykowa związana z MTX2= en
csMandibuloakrální dysplázie spojená s MTX2= en
ukМандибулоакральна дисплазія, асоційована з MTX2MADaM · Прогероїдний синдром мандибулоакральної дисплазії · MDPS

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619127Evalidated
ICD-10Q87.5NTBTattributedvalidated
ICD-11LD2F.1YNTBTattributedvalidated
MONDO0030880Evalidated
MONDO30880Evalidated
UMLSC5436867Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

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Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MTX2Disease-causing germline mutation(s) inAssessedHGNC:7506ENSG000001286546085552q31.1metaxin 236269149[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated32917887[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated32917887[PMID]_ORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card