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Published on: September 30, 2013
Nager acrofacial dysostosis with cleft lip
A Verloes1, C Foret, C Lambotte
1Department of Pediatrics, Liège State University, Belgium.
Summary
This study details a Nager acrofacial dysostosis case with new features like a lobulated tongue and cleft lip. It suggests merging Nager syndrome with Richieri-Costa syndrome for better understanding.
Area of Science:
- Medical Genetics
- Developmental Biology
- Clinical Medicine
Background:
- Nager acrofacial dysostosis is a rare genetic disorder characterized by limb abnormalities and craniofacial anomalies.
- Accurate delineation of syndromic features is crucial for diagnosis and management.
Observation:
- A case of Nager acrofacial dysostosis presented with previously undescribed clinical features.
- These novel findings included a lobulated tongue, cleft lip, and mental retardation.
Findings:
- The observed features expand the phenotypic spectrum of Nager acrofacial dysostosis.
- The discussion includes a differential diagnosis with Fetal Alcohol Syndrome.
- A proposal is made to unify Richieri-Costa syndrome and Nager syndrome based on overlapping clinical presentations.
Implications:
- This case contributes to a more precise definition of Nager acrofacial dysostosis.
- Reunification of Richieri-Costa and Nager syndromes could simplify diagnostic criteria.
- Further research is warranted to confirm the proposed syndromic unification.

