raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1986

Gollop-Wolfgang complex

Synonyms: Bifid femur-monodactylous ectrodactyly syndrome

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

A rare congenital limb malformation characterized by bifid femur, absent or hypoplastic tibia and ulna with limb shortening, oligodactyly, and ectrodactyly.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGollop-Wolfgang complexBifid femur-monodactylous ectrodactyly syndrome
frComplexe de Gollop-WolfgangSyndrome de fémur bifide-ectrodactylie monodactyle
deGollop-Wolfgang-KomplexFemur, gegabelter - Ektrodaktylie - Monodaktylie
esComplejo de Gollop-WolfgangFemur bífido-ectrodactilia monodactilia
itComplesso di Gollop-WolfgangFemore bifido - ectrodattilia - monodattilia
nlGollop-WolfgangcomplexFemur bifurcatie - monodactyleuze ectrodactylie
ptComplexo Gollop-WolfgangFémur bífido com ectrodactilia · Síndrome de fémur bifido unilateral-ectrodactilia monodactilosa
plKompleks Gollopa i WolfgangaRozszczep kości udowej - ektrodaktylia jednopalcowa
csGollopův-Wolfgangův komplexSyndrom zahrnující rozštěp femuru a monodaktylní ektrodaktylii · Gollop-Wolfgangův komplex
ukКомплекс Голлоп-ВольфгангаСиндром біфідемічної стегново-монодактильної ектродактилії
zhGollop-Wolfgang综合征股骨裂-单指(趾)缺指(趾)综合征
trGollop-Wolfgang kompleksiBifid femur-monodaktilöz ektrodaktili sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM228250Evalidated
ICD-10Q74.8NTBTattributedvalidated
ICD-11LD26.0NTBTindexvalidated
MONDO0009222Evalidated
MeSHC537917Evalidated
UMLSC1856789Evalidated
GARD2285Evalidated
MedDRA10079731Evalidated

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.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
BHLHA9Role in the phenotype ofAssessedHGNC:35126ENSG0000020589961541617p13.3basic helix-loop-helix family member a925351291[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families200 casesWorldwideCase(s)ValidatedORPHANET_[EXPERT]
Point prevalence1-9 / 1 000 0000.1 / 100 000WorldwideValue and classValidated40278527[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

5 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005772Aplasia/Hypoplasia of the tibia
HP:0010443Bifid femur
HP:0100257Ectrodactyly
HP:0004058Hand monodactyly
Frequent (79-30%)
HP:0006495Aplasia/Hypoplasia of the ulna

Run the differential on the 4 obligate / very frequent terms

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Sources for this card