raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2252

Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome

Synonyms: Schmitt-Gillenwater-Kelly syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Neonatal
Status
active

Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterised by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRadial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndromeSchmitt-Gillenwater-Kelly syndrome
frSyndrome d'hypoplasie du radius-pouces triphalangés-hypospadias-progénieSyndrome de Schmitt-Gillenwater-Kelly
deRadiushypoplasie-triphalangeale Daumen-Hypospadie-Progenie-maxilläres Diastema-SyndromSchmitt-Gillenwater-Kelly-Syndrom
esSíndrome de hipoplasia radial-pulgares trifalángicos-hipospadias-diastema maxilar
itIpoplasia radiale - pollici trifalangei - ipospadia - diastema mascellareSindrome di Schmitt-Gillenwater-Kelly
nlHypoplasie van radius - trifalangeale duimen - hypospadie - maxillair diasteem-syndroomSyndroom van Schmitt-Gillenwater-Kelly
ptSíndrome de hipoplasia radial-polegar trifalângico-hipospadias-diastema maxilarSíndrome Schmitt-Gillenwater-Kelly
plHipoplazja kości łokciowej - trójpaliczkowe kciuki - spodziectwo - diastema szczękiZespół Schmitta, Gillenwatera i Kelly'ego
csSyndrom zahnující radiální hypoplázii, trifalangeální palce, hypospadii a maxilární diastemaSchmittův-Gillenwaterův-Kellyho syndrome · Schmitt-Gillenwater-Kellyho syndrome
ukСиндром гіпоплазії променевої кістки - трифалангових великих пальців - гіпоспадії - щелепної діастемиСиндром Шмітта-Гілленвотера-Келлі
zh桡骨发育不全-拇指三指节畸形-尿道下裂-上颌骨纵裂综合征Schmitt-Gillenwater-Kell综合征
trRadyal hipoplazi-trifalanjiyal başparmak-hipospadias-maksiller diastema sendromuSchmitt-Gillenwater-Kelly sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM179250Evalidated
ICD-10Q87.2NTBTattributedvalidated
MONDO0008357Evalidated
MeSHC536262Evalidated
UMLSC1867397Evalidated
GARD258Evalidated

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

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)Validated7137222[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_7137222[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.

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HPO phenotypes

6 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0007477Abnormal dermatoglyphics
HP:0002984Hypoplasia of the radius
HP:0000047Hypospadias
HP:0000303Mandibular prognathia
HP:0002983Micromelia
HP:0005725Nonopposable triphalangeal thumb

Run the differential on the 6 obligate / very frequent terms

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Sources for this card