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Oculoauriculovertebral spectrum (OAVS) with radial defects is a rare branchial arches and limb primordia development disorder characterized by variable degrees of uni- or bilateral craniofacial malformation and radial defects that result in extremely variable phenotypic manifestations. Characteristic features include low postnatal weight, short stature, vertebral defects, hearing loss, and facial dysmorphism (incl. facial asymmetry, external, middle, and inner ear malformations, orofacial clefts, and mandibular hypoplasia). These features are invariably associated with radial defects, such as preaxial polydactyly, thumb and/or radius hypoplasia/agenesis, or triphalangeal thumb. Cardiac, pulmonary, renal, and central nervous system involvement has also been reported.
Features include: Triphalangeal thumb, Preauricular skin tag, Preauricular pit, and Cleft palate and 9 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 5 | Cleft palate, Non-midline cleft of the upper lip, Short mandibular rami |
Biomarker and diagnostic research for oculoauriculovertebral spectrum with radial defects has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for oculoauriculovertebral spectrum with radial defects.
122 publications have been identified in PubMed for oculoauriculovertebral spectrum with radial defects. Research spans Case Report / Case Series (37%), Basic Science / Preclinical (23%), and Epidemiology / Natural History (12%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 39 | 37% |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:50 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
1 |
Preauricular skin tag |
Ears | 1 | Conductive hearing impairment |
Laboratory research |
24 |
23% |
Disease patterns and progression | 13 | 12% |
Research summaries | 9 | 9% |
Other research | 8 | 8% |
Clinical study results | 7 | 7% |
New treatment approaches | 3 | 3% |
Testing and diagnosis research | 2 | 2% |
Muni I (2026). [PMID: 34033320](https://pubmed.ncbi.nlm.nih.gov/34033320/). *Unknown Journal*. [Basic Science / Preclinical]
Fukumoto-Inukai KA (2026). [PMID: 42224036](https://pubmed.ncbi.nlm.nih.gov/42224036/). *J Craniofac Surg*. [Clinical Trial Publication]
Malipol MCO (2026). [PMID: 41871901](https://pubmed.ncbi.nlm.nih.gov/41871901/). *BMJ Case Rep*. [Case Report / Case Series]
Romeo DJ (2026). [PMID: 40518866](https://pubmed.ncbi.nlm.nih.gov/40518866/). *Cleft Palate Craniofac J*. [Epidemiology / Natural History]
Patel BC (2026). [PMID: 30571073](https://pubmed.ncbi.nlm.nih.gov/30571073/). *Unknown Journal*. [Basic Science / Preclinical]
Alkhatib S (2026). [PMID: 42028521](https://pubmed.ncbi.nlm.nih.gov/42028521/). *Cureus*. [Review / Meta-Analysis]
Ronde EM (2026). [PMID: 42032369](https://pubmed.ncbi.nlm.nih.gov/42032369/). *Eur J Pediatr*. [Epidemiology / Natural History]
Mielniczek K (2026). [PMID: 42110629](https://pubmed.ncbi.nlm.nih.gov/42110629/). *Arch Med Sci*. [Clinical Trial Publication]
Yang Y (2026). [PMID: 37735888](https://pubmed.ncbi.nlm.nih.gov/37735888/). *Ear Nose Throat J*. [Basic Science / Preclinical]
Li L (2026). [PMID: 41539712](https://pubmed.ncbi.nlm.nih.gov/41539712/). *Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi*. [Review / Meta-Analysis]