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Acro-pectoral syndrome is characterized by a combination of distal limb abnormalities (syndactyly of all fingers and toes, preaxial polydactyly in the feet and/or hands) and upper sternum malformations. It has been described in 22 patients from a six-generation Turkish family. It is transmitted as an autosomal dominant trait and the causative gene is located at 7q36.
Features include very common findings: Abnormal thorax morphology, Preaxial hand polydactyly, and Finger syndactyly; and sometimes findings: Moderate intellectual disability. 9 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Arms and legs | 2 | Preaxial hand polydactyly, Finger syndactyly |
Phenotype severity distribution: 3 very common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for acropectoral syndrome.
1 publication has been identified in PubMed for acropectoral syndrome. Research spans Review / Meta-Analysis (100%).
Liaqat K (2025). [PMID: 40249340](https://pubmed.ncbi.nlm.nih.gov/40249340/). *Genetic testing and molecular biomarkers*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:56 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about acropectoral syndrome
Brain and nerves
1 |
Moderate intellectual disability |