raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3449

Weill-Marchesani syndrome

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

A rare connective tissue disorder characterized by acromelic short stature, joint stiffness, stiff and thick skin, and characteristic eye abnormalities including microspherophakia, ectopia lentis, severe myopia, and glaucoma.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enWeill-Marchesani syndrome
frSyndrome de Weill-Marchesani
deWeill-Marchesani-SyndromSphärophakie-Brachymorphie-Syndrom
esSíndrome de Weill-Marchesani
itSindrome Weill-Marchesani
nlSyndroom van Weill-Marchesani
ptSíndrome Weill-MarchesaniSíndrome de esferofaquia-braquimorfia
plZespół Weilla i MarchesaniegoSferofakia - brachymorfia
csWeillův-Marchesaniho syndromSyndrom zahrnující sferofakii a brachymorfii · Weill-Marchesaniho syndrom
ukСиндром Вайля-МаркесаніСиндром сферофакії-брахіморфії
zhWeill-Marchesani综合征球形晶状体-短形综合征
trWeill-Marchesani sendromuSferofaki-brakimorfi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM277600BTNTvalidated
OMIM608328BTNTvalidated
OMIM613195BTNTvalidated
OMIM614819BTNTvalidated
ICD-10Q87.0NTBTindexvalidated
ICD-119C61.42NTBTindexvalidated
MONDO0018096Evalidated
MeSHD056846Evalidated
UMLSC0265313Evalidated
GARD4936Evalidated
MedDRA10064963Evalidated

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 (7):

No children.

4

Genes

4 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ADAMTS17Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:17109ENSG0000014047060751115q26.3ADAM metallopeptidase with thrombospondin type 1 motif 1719836009[PMID]
ADAMTS10Disease-causing germline mutation(s) inAssessedHGNC:13201ENSG0000014230360899019p13.2ADAM metallopeptidase with thrombospondin type 1 motif 1020301293[PMID]
FBN1Disease-causing germline mutation(s) inAssessedHGNC:3603ENSG0000016614713479715q21.1fibrillin 120301293[PMID]
LTBP2Disease-causing germline mutation(s) inAssessedHGNC:6715ENSG0000011968160209114q24.3latent transforming growth factor beta binding protein 220301293[PMID]_22539340[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0001 / 100 000WorldwideValue and classNot yet validated20301293[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

21 annotations · validated 2024-10-18
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001156Brachydactyly
HP:0000501Glaucoma
HP:0011003High myopia
HP:0030961Microspherophakia
HP:0004322Short stature
HP:0009778Short thumb
Frequent (79-30%)
HP:0030680Abnormal cardiovascular system morphology
HP:0001083Ectopia lentis
HP:0001376Limitation of joint mobility
HP:0001072Thickened skin
Occasional (29-5%)
HP:0001650Aortic valve stenosis
HP:0000518Cataract
HP:0002750Delayed skeletal maturation
HP:0001256Intellectual disability, mild
HP:0001387Joint stiffness
HP:0001653Mitral regurgitation
HP:0001643Patent ductus arteriosus
HP:0005184Prolonged QTc interval
HP:0001642Pulmonic stenosis
HP:0001629Ventricular septal defect
HP:0000572Visual loss

Run the differential on the 6 obligate / very frequent terms

Annotation source: 20301293[PMID]

7

Sources for this card