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congenital radioulnar synostosis - Clinical Profile, Genes & Research | Kisho | Kisho

Rare Disease

congenital radioulnar synostosis

MONDO:0017985

Also known as:radioulnar fusionradioulnar synostosisradioulnar synostosis (disease)

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Overview

Congenital radioulnar synostosis is a rare bone disorder that may be isolated or associated with other disorders and that is characterized by failure of segmentation of the radius and ulna during embryological development, causing limited rotational movements of the forearm, which may lead to difficulties with some activities of daily living.

Clinical Trials1 registered

Clinical Presentation

Built from Human Phenotype Ontology (HPO) phenotype annotations and GeneReviews clinical descriptions. Features represent findings documented across known cases — not an exhaustive list of possible symptoms.

Features include very common findings: Abnormal morphology of the radius, Radioulnar synostosis, Limited elbow movement, and Limited pronation/supination of forearm and others; and sometimes findings: Abnormality of the musculature of the upper arm, Dislocated radial head, Shoulder pain, and Wrist pain. 13 total HPO annotations.

Organ System	Phenotype Count	Example Features
Pregnancy and birth	1	Congenital hip dislocation

Diagnosis

Biomarker and diagnostic research for congenital radioulnar synostosis has been reported in the published literature.

Prognosis

Phenotype severity distribution: 5 very common features.

Estimated prevalence: Unknown (Unknown prevalence).

Research Landscape

Sourced from ClinicalTrials.gov and PubMed. Publication types are classified using NLM-curated article metadata; research type breakdowns reflect the nature of published work for this disease.

1 clinical trial registered. Interventions under study include procedural interventions. Pipeline includes 1 NA. Research is primarily sponsored by academic and government institutions.

51 publications have been identified in PubMed for congenital radioulnar synostosis. Research spans Case Report / Case Series (49%), Review / Meta-Analysis (15%), and Clinical Trial Publication (11%).

Research Type	Count	% of Total
Patient case studies	23	49%

Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 4:32 PM UTC

MONDOHPOClinicalTrials.govFDAPubMedHGNCClinVarClinGenGeneReviewsOrphanetOMIMRUSP

Medical References

External Resources

Orphanet

European rare disease database

Orphanet:3269

GARD

Genetic and Rare Diseases Info Center

GARD:10876

Questions for Your Care Team

→Are any of the 1 active clinical trial a good fit for my situation?
→Are there specialists or centers of excellence for this condition in my area?
→Is there a patient registry I should consider joining?

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congenital radioulnar synostosis

Overview

Clinical Presentation

Diagnosis

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

Explore clinical features

Recent Publications

congenital radioulnar synostosis

Overview

Clinical Presentation

Diagnosis

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

Explore clinical features

Recent Publications