raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:582

Mucopolysaccharidosis type 4

Synonyms: MPS4 · MPSIV · Morquio disease · Mucopolysaccharidosis type IV

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood, Infancy
Status
active

A rare lysosomal storage disease characterized by mild to severe spondylo-epiphyso-metaphyseal dysplasia, manifesting with disproportionate short stature (short neck and trunk), joint laxity, pectus carinatum, genum valgum, abnormal gait, tracheal narrowing, spinal abnormalities (kyphosis and scoliosis), respiratory impairment and valvular heart disease.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMucopolysaccharidosis type 4MPS4 · MPSIV · Morquio disease · Mucopolysaccharidosis type IV
frMucopolysaccharidose type 4MPS4 · MPSIV · Maladie de Morquio · Mucopolysaccharidose type IV
deMukopolysaccharidose Typ 4MPS4 · MPSIV · Morquio-Krankheit · Mukopolysaccharidose Typ IV
esMucopolisacaridosis tipo 4Enfermedad de Morquio · MPS4 · MPSIV · Mucopolisacaridosis tipo IV
itMucopolisaccaridosi tipo 4MPS4 · MPSIV · Malattia di Morquio · Mucopolisaccaridosi, tipo IV
nlMucopolysacharidose type 4MPS4 · MPSIV · Mucopolysacharidose type IV · Ziekte van Morquio
ptMucopolissacaridose tipo 4MPS4
plMukopolisacharydoza typu 4Choroba Morquio · MPS4 · MPSIV · Mukopolisacharydoza typu IV
csMukopolysacharidóza, typ IVMPS IV · Mukopolysacharidóza IV. typu · Morquiův syndrom
ukМукополісахаридоз, тип 4Хвороба Моркіо · MPS4 · MPSIV · Мукополісахаридоз IV типу
zh黏多糖贮积症Ⅵ型黏多糖贮积症Ⅵ型
trMukopolisakkaridoz tip 4MPS4 · MPSIV · Morquio hastalığı · Mukopolisakkaridoz tip IV

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM252300BTNTvalidated
OMIM253000BTNTvalidated
OMIM253010BTNTvalidated
ICD-10E76.2NTBTinclusionvalidated
ICD-115C56.32Especificvalidated
MONDO0018938Evalidated
MeSHD009085Evalidated
UMLSC0026707Evalidated
GARD12562Evalidated
MedDRA10028095Evalidated

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 (2):

Children (2):

4

Genes

0 direct · 2 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GALNSORPHA:309297Mucopolysaccharidosis type 4ADisease-causing germline mutation(s) inAssessedHGNC:4122ENSG0000014101261222216q24.3galactosamine (N-acetyl)-6-sulfatase23844448[PMID]
GLB1ORPHA:309310Mucopolysaccharidosis type 4BDisease-causing germline mutation(s) inAssessedHGNC:4298ENSG000001702666114583p22.3galactosidase beta 124156116[PMID]
5

Prevalence and incidence

21 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth<1 / 1 000 0000.07 / 100 000SwedenValue and classValidated28595941[PMID]
Prevalence at birth1-9 / 1 000 0000.76 / 100 000NorwayValue and classValidated18681890[PMID]
Point prevalence1-5 / 10 00024.2 / 100 000NorwayValue and classValidated18681890[PMID]
Prevalence at birth1-9 / 1 000 0000.48 / 100 000DenmarkValue and classValidated18681890[PMID]
Point prevalence1-5 / 10 00031 / 100 000DenmarkValue and classValidated18681890[PMID]
Prevalence at birth1-9 / 1 000 0000.73 / 100 000Czech RepublicValue and classValidated20490927[PMID]
Prevalence at birth1-9 / 1 000 0000.45 / 100 000TunisiaValue and classValidated20209839[PMID]
Prevalence at birth1-9 / 1 000 0000.33 / 100 000Taiwan, Province of ChinaValue and classValidated19396827[PMID]
Prevalence at birth1-9 / 1 000 0000.45 / 100 000EuropeValue and classValidated28595941[PMID]
Prevalence at birth1-9 / 1 000 0000.36 / 100 000NetherlandsValue and classValidated10480370[PMID]
Prevalence at birth1-9 / 1 000 0000.14 / 100 000PolandValue and classValidated25472774[PMID]
Point prevalence1-5 / 10 00027.6 / 100 000EuropeValue and classValidated18681890[PMID]_ORPHANET
Prevalence at birth1-9 / 1 000 0000.15 / 100 000JapanValue and classValidated28595941[PMID]
Prevalence at birth1-9 / 1 000 0000.38 / 100 000SwitzerlandValue and classValidated28595941[PMID]
Prevalence at birth1-9 / 100 0003.62 / 100 000Saudi ArabiaValue and classValidated20622343[PMID]
Prevalence at birth1-9 / 1 000 0000.13 / 100 000Korea, Republic ofValue and classValidated25364648[PMID]
Prevalence at birth1-9 / 1 000 0000.14 / 100 000BrazilValue and classValidated31926052[PMID]
Prevalence at birth1-9 / 1 000 0000.6 / 100 000PortugalValue and classValidated14685153[PMID]
Prevalence at birth<1 / 1 000 0000.07 / 100 000WorldwideValue and classValidated28595941[PMID]
Prevalence at birth1-9 / 1 000 0000.14 / 100 000United StatesValue and classValidated34051828[PMID]
Point prevalence<1 / 1 000 0000.038 / 100 000United StatesValue and classValidated34051828[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

34 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000944Abnormal metaphysis morphology
HP:0000772Abnormal rib morphology
HP:0005930Abnormality of epiphysis morphology
HP:0000164Abnormality of the dentition
HP:0006487Bowing of the long bones
HP:0007957Corneal opacity
HP:0002750Delayed skeletal maturation
HP:0001288Gait disturbance
HP:0002857Genu valgum
HP:0000365Hearing impairment
HP:0001382Joint hypermobility
HP:0008155Mucopolysacchariduria
HP:0000768Pectus carinatum
HP:0004349Reduced bone mineral density
HP:0000470Short neck
HP:0004322Short stature
HP:0010306Short thorax
Frequent (79-30%)
HP:0001654Abnormal heart valve morphology
HP:0000682Abnormality of dental enamel
HP:0000463Anteverted nares
HP:0000670Carious teeth
HP:0000280Coarse facial features
HP:0002673Coxa valga
HP:0000683Grayish enamel
HP:0100790Hernia
HP:0003307Hyperlordosis
HP:0001373Joint dislocation
HP:0002808Kyphosis
HP:0000926Platyspondyly
HP:0002650Scoliosis
HP:0003416Spinal canal stenosis
HP:0000154Wide mouth
Occasional (29-5%)
HP:0100543Cognitive impairment
HP:0000256Macrocephaly

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card