raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2633

Mesomelic dysplasia, Nievergelt type

Synonyms: Mesomelic dwarfism, Nievergelt type · Nievergelt syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Antenatal, Neonatal
Status
active

A rare primary bone dysplasia characterized by severe mesomelic shortness particularly of the lower limbs with distinctive triangular or rhomboid-shaped tibiae and fibulae, accompanied by bony protuberances and skin dimples. Additional manifestations include radioulnar synostosis, dislocation of the radial head, abnormalities of the hands (such as oligosyndactyly or fusiform-shaped fingers) and feet (pes equinovarus, synostoses of tarsals/metatarsals and phalanges), and dysmorphic facial features.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMesomelic dysplasia, Nievergelt typeMesomelic dwarfism, Nievergelt type · Nievergelt syndrome
frDysplasie mésomélique type NievergeltNanisme mésomélique type Nievergelt · Syndrome de Nievergelt
deDysplasie, mesomele, Typ NievergeltKleinwuchs, mesomeler, Typ Nievergelt · Nievergelt-Syndrom
esDisplasia mesomélica tipo NievergeltEnanismo mesomélico tipo Nievergelt · Síndrome de Nievergelt
itNanismo mesomelico, tipo NievergeltSindrome di Nievergelt
nlMesomele dysplasie, Nievergelt-typeMesomele dwerggroei, Nievergelt-type · Syndroom van Nievergelt
ptNanismo mesomélico, tipo NievergeltSíndrome Nievergelt
plNiskorosłość mezomeliczna typu NievergeltaZespół Nievergelta
csMezomelické trpaslictví, Nievergeltův typNievergeltův syndrom
ukМезомелічна дисплазія, тип НівергельтаМезомелічна карликовість, тип Нівергельта · Синдром Нівергельта
zh肢中部发育不良,Nievergelt型肢中骨发育不良,Nievergelt型
trMezomelik displazi, Nievergelt tipiNievergelt sendromu · Mezomelik cücelik, Nievergelt tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM163400Evalidated
ICD-10Q78.8NTBTattributedvalidated
ICD-11LD24.ANTBTindexvalidated
MONDO0008098Evalidated
MeSHC536120Evalidated
UMLSC0432231Evalidated
GARD3554Evalidated

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/families19 casesWorldwideCase(s)Validated29245094[PMID]_11977180[PMID]_6059604[PMID]_39035397[PMID]_18085094[PMID]_675214[PMID]_2717950[PMID]_17702012[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated29245094[PMID]_11977180[PMID]_6059604[PMID]_39035397[PMID]_18085094[PMID]_675214[PMID]_2717950[PMID]_17702012[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.

6

HPO phenotypes

26 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002991Abnormal fibula morphology
HP:0040071Abnormal morphology of ulna
HP:0002992Abnormality of tibia morphology
HP:0006501Aplasia/Hypoplasia of the radius
HP:0100490Camptodactyly of finger
HP:0003042Elbow dislocation
HP:0002857Genu valgum
HP:0001376Limitation of joint mobility
HP:0003027Mesomelia
HP:0008845Mesomelic short stature
HP:0002983Micromelia
HP:0002974Radioulnar synostosis
HP:0010781Skin dimple
HP:0008368Tarsal synostosis
Occasional (29-5%)
HP:0003019Abnormality of the wrist
HP:0007598Bilateral single transverse palmar creases
HP:0000248Brachycephaly
HP:0004209Clinodactyly of the 5th finger
HP:0000268Dolichocephaly
HP:0006101Finger syndactyly
HP:0002970Genu varum
HP:0001249Intellectual disability
HP:0100729Large face
HP:0000960Sacral dimple
HP:0002650Scoliosis
HP:0000486Strabismus

Run the differential on the 12 obligate / very frequent terms

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Sources for this card